CVE-2026-97032 (GCVE-0-2026-97032)
Vulnerability from cvelistv5
Published
2026-10-08 22:54
Modified
2026-10-15 15:46
Summary
HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the other modifies the encoder's table size when handling a SETTINGS frame containing SETTINGS_HEADER_TABLE_SIZE that a client sends. A malicious client can repeatedly send a request while changing the header table size to crash the server.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-97032",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-15T15:46:16.190858Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-362",
                "description": "CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-15T15:46:39.417Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "packageName": "net/http",
          "product": "net/http",
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              "name": "http2serverConn.processSetting"
            },
            {
              "name": "http2serverConn.startFrameWrite"
            },
            {
              "name": "CanonicalHeaderKey"
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            {
              "name": "Client.CloseIdleConnections"
            },
            {
              "name": "Client.Do"
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            {
              "name": "Client.Get"
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            {
              "name": "Client.Head"
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            {
              "name": "Client.Post"
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            {
              "name": "Client.PostForm"
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            {
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            {
              "name": "ClientConn.RoundTrip"
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            {
              "name": "Cookie.String"
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            {
              "name": "Cookie.Valid"
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            {
              "name": "CrossOriginProtection.AddInsecureBypassPattern"
            },
            {
              "name": "CrossOriginProtection.AddTrustedOrigin"
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            {
              "name": "CrossOriginProtection.Check"
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            {
              "name": "Dir.Open"
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            {
              "name": "Error"
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            {
              "name": "Get"
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            {
              "name": "Handle"
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            {
              "name": "HandleFunc"
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            {
              "name": "HandlerFunc.ServeHTTP"
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            {
              "name": "Head"
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            {
              "name": "Header.Add"
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            {
              "name": "Header.Del"
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            {
              "name": "Header.Get"
            },
            {
              "name": "Header.Set"
            },
            {
              "name": "Header.Values"
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            {
              "name": "Header.Write"
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            {
              "name": "Header.WriteSubset"
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            {
              "name": "ListenAndServe"
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            {
              "name": "ListenAndServeTLS"
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            {
              "name": "NewRequest"
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            {
              "name": "NewRequestWithContext"
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            {
              "name": "NotFound"
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            {
              "name": "ParseCookie"
            },
            {
              "name": "ParseSetCookie"
            },
            {
              "name": "ParseTime"
            },
            {
              "name": "Post"
            },
            {
              "name": "PostForm"
            },
            {
              "name": "ProxyFromEnvironment"
            },
            {
              "name": "ReadRequest"
            },
            {
              "name": "ReadResponse"
            },
            {
              "name": "Redirect"
            },
            {
              "name": "Request.AddCookie"
            },
            {
              "name": "Request.BasicAuth"
            },
            {
              "name": "Request.Cookie"
            },
            {
              "name": "Request.Cookies"
            },
            {
              "name": "Request.CookiesNamed"
            },
            {
              "name": "Request.FormFile"
            },
            {
              "name": "Request.FormValue"
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            {
              "name": "Request.MultipartReader"
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            {
              "name": "Request.ParseForm"
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            {
              "name": "Request.ParseMultipartForm"
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            {
              "name": "Request.PostFormValue"
            },
            {
              "name": "Request.Referer"
            },
            {
              "name": "Request.SetBasicAuth"
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            {
              "name": "Request.UserAgent"
            },
            {
              "name": "Request.Write"
            },
            {
              "name": "Request.WriteProxy"
            },
            {
              "name": "Response.Cookies"
            },
            {
              "name": "Response.Location"
            },
            {
              "name": "Response.Write"
            },
            {
              "name": "ResponseController.EnableFullDuplex"
            },
            {
              "name": "ResponseController.Flush"
            },
            {
              "name": "ResponseController.Hijack"
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            {
              "name": "ResponseController.SetReadDeadline"
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            {
              "name": "ResponseController.SetWriteDeadline"
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            {
              "name": "Serve"
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            {
              "name": "ServeContent"
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            {
              "name": "ServeFile"
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            {
              "name": "ServeFileFS"
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            {
              "name": "ServeMux.Handle"
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            {
              "name": "ServeMux.HandleFunc"
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            {
              "name": "ServeMux.ServeHTTP"
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              "name": "ServeTLS"
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            {
              "name": "Server.ListenAndServeTLS"
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            {
              "name": "Server.Serve"
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            {
              "name": "Server.ServeTLS"
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            {
              "name": "Server.SetKeepAlivesEnabled"
            },
            {
              "name": "Server.Shutdown"
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            {
              "name": "SetCookie"
            },
            {
              "name": "Transport.CancelRequest"
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            {
              "name": "Transport.Clone"
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            {
              "name": "Transport.CloseIdleConnections"
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            {
              "name": "Transport.NewClientConn"
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            {
              "name": "Transport.RoundTrip"
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            {
              "name": "body.Close"
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            {
              "name": "body.Read"
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            {
              "name": "bodyEOFSignal.Close"
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            {
              "name": "bodyEOFSignal.Read"
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            {
              "name": "bodyLocked.Read"
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            {
              "name": "bufioFlushWriter.Write"
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            {
              "name": "cancelTimerBody.Close"
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            {
              "name": "cancelTimerBody.Read"
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              "name": "checkConnErrorWriter.Write"
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            {
              "name": "chunkWriter.Write"
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            {
              "name": "extraHeader.Write"
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              "name": "fileHandler.ServeHTTP"
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            {
              "name": "http2ErrCode.String"
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            {
              "name": "http2FrameHeader.String"
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            {
              "name": "http2FrameType.String"
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            {
              "name": "http2FrameWriteRequest.String"
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            {
              "name": "http2Framer.ReadFrame"
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            {
              "name": "http2Framer.ReadFrameForHeader"
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            {
              "name": "http2Framer.ReadFrameHeader"
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              "name": "http2Framer.WriteContinuation"
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              "name": "http2Framer.WriteData"
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              "name": "http2Framer.WriteDataPadded"
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              "name": "http2Framer.WriteHeaders"
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              "name": "http2Framer.WritePing"
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              "name": "http2Framer.WritePriority"
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              "name": "http2Framer.WritePushPromise"
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              "name": "http2Framer.WriteRSTStream"
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            {
              "name": "http2Framer.WriteRawFrame"
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            {
              "name": "http2Framer.WriteSettings"
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            {
              "name": "http2Framer.WriteSettingsAck"
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            {
              "name": "http2Framer.WriteWindowUpdate"
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            {
              "name": "http2GoAwayError.Error"
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            {
              "name": "http2Server.ServeConn"
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            {
              "name": "http2Setting.String"
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            {
              "name": "http2SettingID.String"
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            {
              "name": "http2SettingsFrame.ForeachSetting"
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            {
              "name": "http2StreamError.Error"
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            {
              "name": "http2Transport.CloseIdleConnections"
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            {
              "name": "http2Transport.NewClientConn"
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              "name": "http2Transport.RoundTrip"
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            {
              "name": "http2Transport.RoundTripOpt"
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            {
              "name": "http2bufferedWriter.Flush"
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              "name": "http2bufferedWriter.Write"
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            {
              "name": "http2bufferedWriterTimeoutWriter.Write"
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              "name": "http2chunkWriter.Write"
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            {
              "name": "http2clientConnPool.GetClientConn"
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            {
              "name": "http2connError.Error"
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            {
              "name": "http2dataBuffer.Read"
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            {
              "name": "http2duplicatePseudoHeaderError.Error"
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            {
              "name": "http2gzipReader.Close"
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            {
              "name": "http2gzipReader.Read"
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            {
              "name": "http2headerFieldNameError.Error"
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            {
              "name": "http2headerFieldValueError.Error"
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            {
              "name": "http2netHTTPClientConn.Close"
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            {
              "name": "http2netHTTPClientConn.RoundTrip"
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            {
              "name": "http2noDialClientConnPool.GetClientConn"
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            {
              "name": "http2noDialH2RoundTripper.NewClientConn"
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            {
              "name": "http2noDialH2RoundTripper.RoundTrip"
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            {
              "name": "http2pipe.Read"
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            {
              "name": "http2priorityWriteSchedulerRFC7540.CloseStream"
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            {
              "name": "http2priorityWriteSchedulerRFC7540.OpenStream"
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            {
              "name": "http2priorityWriteSchedulerRFC9218.OpenStream"
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            {
              "name": "http2pseudoHeaderError.Error"
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            {
              "name": "http2requestBody.Close"
            },
            {
              "name": "http2requestBody.Read"
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            {
              "name": "http2responseWriter.Flush"
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            {
              "name": "http2responseWriter.FlushError"
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            {
              "name": "http2responseWriter.Push"
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            {
              "name": "http2responseWriter.SetReadDeadline"
            },
            {
              "name": "http2responseWriter.SetWriteDeadline"
            },
            {
              "name": "http2responseWriter.Write"
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            {
              "name": "http2responseWriter.WriteHeader"
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            {
              "name": "http2responseWriter.WriteString"
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            {
              "name": "http2roundRobinWriteScheduler.OpenStream"
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            {
              "name": "http2serverConn.CloseConn"
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            {
              "name": "http2serverConn.Flush"
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            {
              "name": "http2stickyErrWriter.Write"
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            {
              "name": "http2transportResponseBody.Close"
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            {
              "name": "http2transportResponseBody.Read"
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            {
              "name": "http2unencryptedTransport.RoundTrip"
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            {
              "name": "http2writeData.String"
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            {
              "name": "initALPNRequest.ServeHTTP"
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            {
              "name": "loggingConn.Close"
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            {
              "name": "loggingConn.Read"
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            {
              "name": "loggingConn.Write"
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            {
              "name": "maxBytesReader.Close"
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            {
              "name": "maxBytesReader.Read"
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            {
              "name": "onceCloseListener.Close"
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              "name": "persistConn.Read"
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            {
              "name": "persistConnWriter.ReadFrom"
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            {
              "name": "persistConnWriter.Write"
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            {
              "name": "populateResponse.Write"
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            {
              "name": "populateResponse.WriteHeader"
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            {
              "name": "readTrackingBody.Close"
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            {
              "name": "readTrackingBody.Read"
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            {
              "name": "readWriteCloserBody.CloseWrite"
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            {
              "name": "readWriteCloserBody.Read"
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            {
              "name": "redirectHandler.ServeHTTP"
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              "name": "response.Flush"
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            {
              "name": "response.Hijack"
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            {
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              "name": "response.WriteHeader"
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            {
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            {
              "name": "socksDialer.DialWithConn"
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            {
              "name": "socksUsernamePassword.Authenticate"
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            {
              "name": "stringWriter.WriteString"
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            {
              "name": "timeoutHandler.ServeHTTP"
            },
            {
              "name": "timeoutWriter.Write"
            },
            {
              "name": "timeoutWriter.WriteHeader"
            },
            {
              "name": "transportReadFromServerError.Error"
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            {
              "name": "unencryptedHTTP2Request.ServeHTTP"
            }
          ],
          "vendor": "Go standard library",
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              "version": "0",
              "versionType": "semver"
            }
          ]
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          "packageName": "net/http/internal/http2",
          "product": "net/http/internal/http2",
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              "name": "serverConn.processSetting"
            },
            {
              "name": "serverConn.startFrameWrite"
            },
            {
              "name": "ClientConn.Close"
            },
            {
              "name": "ClientConn.Ping"
            },
            {
              "name": "ClientConn.RoundTrip"
            },
            {
              "name": "ClientConn.Shutdown"
            },
            {
              "name": "Framer.ReadFrame"
            },
            {
              "name": "Framer.ReadFrameForHeader"
            },
            {
              "name": "Framer.ReadFrameHeader"
            },
            {
              "name": "Framer.WriteContinuation"
            },
            {
              "name": "Framer.WriteData"
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            {
              "name": "Framer.WriteDataPadded"
            },
            {
              "name": "Framer.WriteGoAway"
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            {
              "name": "Framer.WriteHeaders"
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              "name": "Framer.WritePing"
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            {
              "name": "Framer.WritePriority"
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            {
              "name": "Framer.WritePriorityUpdate"
            },
            {
              "name": "Framer.WritePushPromise"
            },
            {
              "name": "Framer.WriteRSTStream"
            },
            {
              "name": "Framer.WriteRawFrame"
            },
            {
              "name": "Framer.WriteSettings"
            },
            {
              "name": "Framer.WriteSettingsAck"
            },
            {
              "name": "Framer.WriteWindowUpdate"
            },
            {
              "name": "NetHTTPClientConn.Close"
            },
            {
              "name": "NetHTTPClientConn.Ping"
            },
            {
              "name": "NetHTTPClientConn.RoundTrip"
            },
            {
              "name": "ReadFrameHeader"
            },
            {
              "name": "Server.GracefulShutdown"
            },
            {
              "name": "Server.ServeConn"
            },
            {
              "name": "SettingsFrame.ForeachSetting"
            },
            {
              "name": "Transport.AddConn"
            },
            {
              "name": "Transport.CloseIdleConnections"
            },
            {
              "name": "Transport.NewClientConn"
            },
            {
              "name": "Transport.RoundTrip"
            },
            {
              "name": "Transport.RoundTripOpt"
            },
            {
              "name": "bufferedWriter.Flush"
            },
            {
              "name": "bufferedWriter.Write"
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            {
              "name": "bufferedWriterTimeoutWriter.Write"
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            {
              "name": "chunkWriter.Write"
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            {
              "name": "clientConnPool.GetClientConn"
            },
            {
              "name": "gzipReader.Close"
            },
            {
              "name": "gzipReader.Read"
            },
            {
              "name": "noDialClientConnPool.GetClientConn"
            },
            {
              "name": "requestBody.Close"
            },
            {
              "name": "responseWriter.Flush"
            },
            {
              "name": "responseWriter.FlushError"
            },
            {
              "name": "responseWriter.Push"
            },
            {
              "name": "responseWriter.Write"
            },
            {
              "name": "responseWriter.WriteHeader"
            },
            {
              "name": "responseWriter.WriteString"
            },
            {
              "name": "serve400Handler.ServeHTTP"
            },
            {
              "name": "serverConn.Flush"
            },
            {
              "name": "stickyErrWriter.Write"
            },
            {
              "name": "transportResponseBody.Close"
            },
            {
              "name": "transportResponseBody.Read"
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            }
          ]
        },
        {
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          "defaultStatus": "unaffected",
          "packageName": "golang.org/x/net/http2",
          "product": "golang.org/x/net/http2",
          "programRoutines": [
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              "name": "serverConn.processSetting"
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            {
              "name": "serverConn.startFrameWrite"
            },
            {
              "name": "ClientConn.Close"
            },
            {
              "name": "ClientConn.Ping"
            },
            {
              "name": "ClientConn.RoundTrip"
            },
            {
              "name": "ClientConn.Shutdown"
            },
            {
              "name": "ConfigureServer"
            },
            {
              "name": "ConfigureTransport"
            },
            {
              "name": "ConfigureTransports"
            },
            {
              "name": "ConnectionError.Error"
            },
            {
              "name": "ErrCode.String"
            },
            {
              "name": "FrameHeader.String"
            },
            {
              "name": "FrameType.String"
            },
            {
              "name": "FrameWriteRequest.String"
            },
            {
              "name": "Framer.ReadFrame"
            },
            {
              "name": "Framer.ReadFrameForHeader"
            },
            {
              "name": "Framer.ReadFrameHeader"
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            {
              "name": "Framer.WriteContinuation"
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            {
              "name": "Framer.WriteData"
            },
            {
              "name": "Framer.WriteDataPadded"
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            {
              "name": "Framer.WriteGoAway"
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            {
              "name": "Framer.WriteHeaders"
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            {
              "name": "Framer.WritePing"
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            {
              "name": "Framer.WritePriority"
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            {
              "name": "Framer.WritePriorityUpdate"
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            {
              "name": "Framer.WritePushPromise"
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            {
              "name": "Framer.WriteRSTStream"
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            {
              "name": "Framer.WriteRawFrame"
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            {
              "name": "Framer.WriteSettings"
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            {
              "name": "Framer.WriteSettingsAck"
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            {
              "name": "Framer.WriteWindowUpdate"
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            {
              "name": "GoAwayError.Error"
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            {
              "name": "ReadFrameHeader"
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            {
              "name": "Server.ServeConn"
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            {
              "name": "Setting.String"
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            {
              "name": "SettingID.String"
            },
            {
              "name": "SettingsFrame.ForeachSetting"
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            {
              "name": "StreamError.Error"
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            {
              "name": "Transport.CloseIdleConnections"
            },
            {
              "name": "Transport.NewClientConn"
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            {
              "name": "Transport.RoundTrip"
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            {
              "name": "Transport.RoundTripOpt"
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            {
              "name": "bufferedWriter.Flush"
            },
            {
              "name": "bufferedWriter.Write"
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            {
              "name": "bufferedWriterTimeoutWriter.Write"
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            {
              "name": "chunkWriter.Write"
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            {
              "name": "clientConnPool.GetClientConn"
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            {
              "name": "connError.Error"
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            {
              "name": "dataBuffer.Read"
            },
            {
              "name": "duplicatePseudoHeaderError.Error"
            },
            {
              "name": "gzipReader.Close"
            },
            {
              "name": "gzipReader.Read"
            },
            {
              "name": "headerFieldNameError.Error"
            },
            {
              "name": "headerFieldValueError.Error"
            },
            {
              "name": "netHTTPClientConn.Close"
            },
            {
              "name": "netHTTPClientConn.RoundTrip"
            },
            {
              "name": "noDialClientConnPool.GetClientConn"
            },
            {
              "name": "noDialH2RoundTripper.NewClientConn"
            },
            {
              "name": "noDialH2RoundTripper.RoundTrip"
            },
            {
              "name": "pipe.Read"
            },
            {
              "name": "priorityWriteSchedulerRFC7540.CloseStream"
            },
            {
              "name": "priorityWriteSchedulerRFC7540.OpenStream"
            },
            {
              "name": "priorityWriteSchedulerRFC9218.OpenStream"
            },
            {
              "name": "pseudoHeaderError.Error"
            },
            {
              "name": "requestBody.Close"
            },
            {
              "name": "requestBody.Read"
            },
            {
              "name": "responseWriter.Flush"
            },
            {
              "name": "responseWriter.FlushError"
            },
            {
              "name": "responseWriter.Push"
            },
            {
              "name": "responseWriter.SetReadDeadline"
            },
            {
              "name": "responseWriter.SetWriteDeadline"
            },
            {
              "name": "responseWriter.Write"
            },
            {
              "name": "responseWriter.WriteHeader"
            },
            {
              "name": "responseWriter.WriteString"
            },
            {
              "name": "roundRobinWriteScheduler.OpenStream"
            },
            {
              "name": "serverConn.CloseConn"
            },
            {
              "name": "serverConn.Flush"
            },
            {
              "name": "stickyErrWriter.Write"
            },
            {
              "name": "transportResponseBody.Close"
            },
            {
              "name": "transportResponseBody.Read"
            },
            {
              "name": "unencryptedTransport.RoundTrip"
            },
            {
              "name": "writeData.String"
            }
          ],
          "vendor": "golang.org/x/net",
          "versions": [
            {
              "lessThan": "0.60.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "RyotaK (https://ryotak.net) of GMO Flatt Security Inc."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the other modifies the encoder\u0027s table size when handling a SETTINGS frame containing SETTINGS_HEADER_TABLE_SIZE that a client sends. A malicious client can repeatedly send a request while changing the header table size to crash the server."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-08T22:54:00.230Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://go.dev/cl/847188"
        },
        {
          "url": "https://go.dev/cl/847313"
        },
        {
          "url": "https://go.dev/issue/81867"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/U2fTuyDJznI"
        },
        {
          "url": "https://groups.google.com/g/golang-announce/c/ZPwCyRUuGBs"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2026-6617"
        }
      ],
      "title": "HTTP/2 server crash due to HPACK encoder race in net/http"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2026-97032",
    "datePublished": "2026-10-08T22:54:00.230Z",
    "dateReserved": "2026-09-23T23:03:58.333Z",
    "dateUpdated": "2026-10-15T15:46:39.417Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"1bb62c36-49e3-4200-9d77-64a1400537cc\", \"shortName\": \"Go\", \"dateUpdated\": \"2026-10-08T22:54:00.230Z\"}, \"title\": \"HTTP/2 server crash due to HPACK encoder race in net/http\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"HTTP/2 servers could end up crashing due to inadvertently modifying its HPACK encoder concurrently. This happens because the server modifies the HPACK encoder from two goroutines without synchronization: one uses the encoder to encode a HEADERS frame as part of a response sent to a client and the other modifies the encoder\u0027s table size when handling a SETTINGS frame containing SETTINGS_HEADER_TABLE_SIZE that a client sends. A malicious client can repeatedly send a request while changing the header table size to crash the server.\"}], \"affected\": [{\"vendor\": \"Go standard library\", \"product\": \"net/http\", \"collectionURL\": \"https://pkg.go.dev\", \"packageName\": \"net/http\", \"versions\": [{\"version\": \"0\", \"lessThan\": \"1.26.9\", \"status\": \"affected\", \"versionType\": \"semver\"}], \"programRoutines\": [{\"name\": \"http2serverConn.processSetting\"}, {\"name\": \"http2serverConn.startFrameWrite\"}, {\"name\": \"CanonicalHeaderKey\"}, {\"name\": \"Client.CloseIdleConnections\"}, {\"name\": \"Client.Do\"}, {\"name\": \"Client.Get\"}, {\"name\": \"Client.Head\"}, {\"name\": \"Client.Post\"}, {\"name\": \"Client.PostForm\"}, {\"name\": \"ClientConn.Close\"}, {\"name\": \"ClientConn.RoundTrip\"}, {\"name\": \"Cookie.String\"}, {\"name\": \"Cookie.Valid\"}, {\"name\": \"CrossOriginProtection.AddInsecureBypassPattern\"}, {\"name\": \"CrossOriginProtection.AddTrustedOrigin\"}, {\"name\": \"CrossOriginProtection.Check\"}, {\"name\": \"Dir.Open\"}, {\"name\": \"Error\"}, {\"name\": \"Get\"}, {\"name\": \"Handle\"}, {\"name\": \"HandleFunc\"}, {\"name\": \"HandlerFunc.ServeHTTP\"}, {\"name\": \"Head\"}, {\"name\": \"Header.Add\"}, {\"name\": \"Header.Del\"}, {\"name\": \"Header.Get\"}, {\"name\": \"Header.Set\"}, {\"name\": \"Header.Values\"}, {\"name\": \"Header.Write\"}, {\"name\": \"Header.WriteSubset\"}, {\"name\": \"ListenAndServe\"}, {\"name\": \"ListenAndServeTLS\"}, {\"name\": \"NewRequest\"}, {\"name\": \"NewRequestWithContext\"}, {\"name\": \"NotFound\"}, {\"name\": \"ParseCookie\"}, {\"name\": \"ParseSetCookie\"}, {\"name\": \"ParseTime\"}, {\"name\": \"Post\"}, {\"name\": \"PostForm\"}, {\"name\": \"ProxyFromEnvironment\"}, {\"name\": \"ReadRequest\"}, {\"name\": \"ReadResponse\"}, {\"name\": \"Redirect\"}, {\"name\": \"Request.AddCookie\"}, {\"name\": \"Request.BasicAuth\"}, {\"name\": \"Request.Cookie\"}, {\"name\": \"Request.Cookies\"}, {\"name\": \"Request.CookiesNamed\"}, {\"name\": \"Request.FormFile\"}, {\"name\": \"Request.FormValue\"}, {\"name\": \"Request.MultipartReader\"}, {\"name\": \"Request.ParseForm\"}, {\"name\": \"Request.ParseMultipartForm\"}, {\"name\": \"Request.PostFormValue\"}, {\"name\": \"Request.Referer\"}, {\"name\": \"Request.SetBasicAuth\"}, {\"name\": \"Request.UserAgent\"}, {\"name\": \"Request.Write\"}, {\"name\": \"Request.WriteProxy\"}, {\"name\": \"Response.Cookies\"}, {\"name\": \"Response.Location\"}, {\"name\": \"Response.Write\"}, {\"name\": \"ResponseController.EnableFullDuplex\"}, {\"name\": \"ResponseController.Flush\"}, {\"name\": \"ResponseController.Hijack\"}, {\"name\": \"ResponseController.SetReadDeadline\"}, {\"name\": \"ResponseController.SetWriteDeadline\"}, {\"name\": \"Serve\"}, {\"name\": \"ServeContent\"}, {\"name\": \"ServeFile\"}, {\"name\": \"ServeFileFS\"}, {\"name\": \"ServeMux.Handle\"}, {\"name\": \"ServeMux.HandleFunc\"}, {\"name\": \"ServeMux.ServeHTTP\"}, {\"name\": \"ServeTLS\"}, {\"name\": \"Server.Close\"}, {\"name\": \"Server.ListenAndServe\"}, {\"name\": \"Server.ListenAndServeTLS\"}, {\"name\": \"Server.Serve\"}, {\"name\": \"Server.ServeTLS\"}, {\"name\": \"Server.SetKeepAlivesEnabled\"}, {\"name\": \"Server.Shutdown\"}, {\"name\": \"SetCookie\"}, {\"name\": \"Transport.CancelRequest\"}, {\"name\": \"Transport.Clone\"}, {\"name\": \"Transport.CloseIdleConnections\"}, {\"name\": \"Transport.NewClientConn\"}, {\"name\": \"Transport.RoundTrip\"}, {\"name\": \"body.Close\"}, {\"name\": \"body.Read\"}, {\"name\": \"bodyEOFSignal.Close\"}, {\"name\": \"bodyEOFSignal.Read\"}, {\"name\": \"bodyLocked.Read\"}, {\"name\": \"bufioFlushWriter.Write\"}, {\"name\": \"cancelTimerBody.Close\"}, {\"name\": \"cancelTimerBody.Read\"}, {\"name\": \"checkConnErrorWriter.Write\"}, {\"name\": \"chunkWriter.Write\"}, {\"name\": \"connReader.Read\"}, {\"name\": \"connectMethodKey.String\"}, {\"name\": \"expectContinueReader.Close\"}, {\"name\": \"expectContinueReader.Read\"}, {\"name\": \"extraHeader.Write\"}, {\"name\": \"fileHandler.ServeHTTP\"}, {\"name\": \"fileTransport.RoundTrip\"}, {\"name\": \"globalOptionsHandler.ServeHTTP\"}, {\"name\": \"gzipReader.Close\"}, {\"name\": \"gzipReader.Read\"}, {\"name\": \"http1ClientConn.Close\"}, {\"name\": \"http1ClientConn.RoundTrip\"}, {\"name\": \"http2ClientConn.Close\"}, {\"name\": \"http2ClientConn.Ping\"}, {\"name\": \"http2ClientConn.RoundTrip\"}, {\"name\": \"http2ClientConn.Shutdown\"}, {\"name\": \"http2ConnectionError.Error\"}, {\"name\": \"http2ErrCode.String\"}, {\"name\": \"http2FrameHeader.String\"}, {\"name\": \"http2FrameType.String\"}, {\"name\": \"http2FrameWriteRequest.String\"}, {\"name\": \"http2Framer.ReadFrame\"}, {\"name\": \"http2Framer.ReadFrameForHeader\"}, {\"name\": \"http2Framer.ReadFrameHeader\"}, {\"name\": \"http2Framer.WriteContinuation\"}, {\"name\": \"http2Framer.WriteData\"}, {\"name\": \"http2Framer.WriteDataPadded\"}, {\"name\": \"http2Framer.WriteGoAway\"}, {\"name\": \"http2Framer.WriteHeaders\"}, {\"name\": \"http2Framer.WritePing\"}, {\"name\": \"http2Framer.WritePriority\"}, {\"name\": \"http2Framer.WritePushPromise\"}, {\"name\": \"http2Framer.WriteRSTStream\"}, {\"name\": \"http2Framer.WriteRawFrame\"}, {\"name\": \"http2Framer.WriteSettings\"}, {\"name\": \"http2Framer.WriteSettingsAck\"}, {\"name\": \"http2Framer.WriteWindowUpdate\"}, {\"name\": \"http2GoAwayError.Error\"}, {\"name\": \"http2Server.ServeConn\"}, {\"name\": \"http2Setting.String\"}, {\"name\": \"http2SettingID.String\"}, {\"name\": \"http2SettingsFrame.ForeachSetting\"}, {\"name\": \"http2StreamError.Error\"}, {\"name\": \"http2Transport.CloseIdleConnections\"}, {\"name\": \"http2Transport.NewClientConn\"}, {\"name\": \"http2Transport.RoundTrip\"}, {\"name\": \"http2Transport.RoundTripOpt\"}, {\"name\": \"http2bufferedWriter.Flush\"}, {\"name\": \"http2bufferedWriter.Write\"}, {\"name\": \"http2bufferedWriterTimeoutWriter.Write\"}, {\"name\": \"http2chunkWriter.Write\"}, {\"name\": \"http2clientConnPool.GetClientConn\"}, {\"name\": \"http2connError.Error\"}, {\"name\": \"http2dataBuffer.Read\"}, {\"name\": \"http2duplicatePseudoHeaderError.Error\"}, {\"name\": \"http2gzipReader.Close\"}, {\"name\": \"http2gzipReader.Read\"}, {\"name\": \"http2headerFieldNameError.Error\"}, {\"name\": \"http2headerFieldValueError.Error\"}, {\"name\": \"http2netHTTPClientConn.Close\"}, {\"name\": \"http2netHTTPClientConn.RoundTrip\"}, {\"name\": \"http2noDialClientConnPool.GetClientConn\"}, {\"name\": \"http2noDialH2RoundTripper.NewClientConn\"}, {\"name\": \"http2noDialH2RoundTripper.RoundTrip\"}, {\"name\": \"http2pipe.Read\"}, {\"name\": \"http2priorityWriteSchedulerRFC7540.CloseStream\"}, {\"name\": \"http2priorityWriteSchedulerRFC7540.OpenStream\"}, {\"name\": \"http2priorityWriteSchedulerRFC9218.OpenStream\"}, {\"name\": \"http2pseudoHeaderError.Error\"}, {\"name\": \"http2requestBody.Close\"}, {\"name\": \"http2requestBody.Read\"}, {\"name\": \"http2responseWriter.Flush\"}, {\"name\": \"http2responseWriter.FlushError\"}, {\"name\": \"http2responseWriter.Push\"}, {\"name\": \"http2responseWriter.SetReadDeadline\"}, {\"name\": \"http2responseWriter.SetWriteDeadline\"}, {\"name\": \"http2responseWriter.Write\"}, {\"name\": \"http2responseWriter.WriteHeader\"}, {\"name\": \"http2responseWriter.WriteString\"}, {\"name\": \"http2roundRobinWriteScheduler.OpenStream\"}, {\"name\": \"http2serverConn.CloseConn\"}, {\"name\": \"http2serverConn.Flush\"}, {\"name\": \"http2stickyErrWriter.Write\"}, {\"name\": \"http2transportResponseBody.Close\"}, {\"name\": \"http2transportResponseBody.Read\"}, {\"name\": \"http2unencryptedTransport.RoundTrip\"}, {\"name\": \"http2writeData.String\"}, {\"name\": \"initALPNRequest.ServeHTTP\"}, {\"name\": \"loggingConn.Close\"}, {\"name\": \"loggingConn.Read\"}, {\"name\": \"loggingConn.Write\"}, {\"name\": \"maxBytesReader.Close\"}, {\"name\": \"maxBytesReader.Read\"}, {\"name\": \"onceCloseListener.Close\"}, {\"name\": \"persistConn.Read\"}, {\"name\": \"persistConnWriter.ReadFrom\"}, {\"name\": \"persistConnWriter.Write\"}, {\"name\": \"populateResponse.Write\"}, {\"name\": \"populateResponse.WriteHeader\"}, {\"name\": \"readTrackingBody.Close\"}, {\"name\": \"readTrackingBody.Read\"}, {\"name\": \"readWriteCloserBody.CloseWrite\"}, {\"name\": \"readWriteCloserBody.Read\"}, {\"name\": \"redirectHandler.ServeHTTP\"}, {\"name\": \"response.Flush\"}, {\"name\": \"response.FlushError\"}, {\"name\": \"response.Hijack\"}, {\"name\": \"response.ReadFrom\"}, {\"name\": \"response.Write\"}, {\"name\": \"response.WriteHeader\"}, {\"name\": \"response.WriteString\"}, {\"name\": \"serverHandler.ServeHTTP\"}, {\"name\": \"socksDialer.DialWithConn\"}, {\"name\": \"socksUsernamePassword.Authenticate\"}, {\"name\": \"stringWriter.WriteString\"}, {\"name\": \"timeoutHandler.ServeHTTP\"}, {\"name\": \"timeoutWriter.Write\"}, {\"name\": \"timeoutWriter.WriteHeader\"}, {\"name\": \"transportReadFromServerError.Error\"}, {\"name\": \"unencryptedHTTP2Request.ServeHTTP\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Go standard library\", \"product\": \"net/http/internal/http2\", \"collectionURL\": \"https://pkg.go.dev\", \"packageName\": \"net/http/internal/http2\", \"versions\": [{\"version\": \"1.27.0-0\", \"lessThan\": \"1.27.2\", \"status\": \"affected\", \"versionType\": \"semver\"}], \"programRoutines\": [{\"name\": \"serverConn.processSetting\"}, {\"name\": \"serverConn.startFrameWrite\"}, {\"name\": \"ClientConn.Close\"}, {\"name\": \"ClientConn.Ping\"}, {\"name\": \"ClientConn.RoundTrip\"}, {\"name\": \"ClientConn.Shutdown\"}, {\"name\": \"Framer.ReadFrame\"}, {\"name\": \"Framer.ReadFrameForHeader\"}, {\"name\": \"Framer.ReadFrameHeader\"}, {\"name\": \"Framer.WriteContinuation\"}, {\"name\": \"Framer.WriteData\"}, {\"name\": \"Framer.WriteDataPadded\"}, {\"name\": \"Framer.WriteGoAway\"}, {\"name\": \"Framer.WriteHeaders\"}, {\"name\": \"Framer.WritePing\"}, {\"name\": \"Framer.WritePriority\"}, {\"name\": \"Framer.WritePriorityUpdate\"}, {\"name\": \"Framer.WritePushPromise\"}, {\"name\": \"Framer.WriteRSTStream\"}, {\"name\": \"Framer.WriteRawFrame\"}, {\"name\": \"Framer.WriteSettings\"}, {\"name\": \"Framer.WriteSettingsAck\"}, {\"name\": \"Framer.WriteWindowUpdate\"}, {\"name\": \"NetHTTPClientConn.Close\"}, {\"name\": \"NetHTTPClientConn.Ping\"}, {\"name\": \"NetHTTPClientConn.RoundTrip\"}, {\"name\": \"ReadFrameHeader\"}, {\"name\": \"Server.GracefulShutdown\"}, {\"name\": \"Server.ServeConn\"}, {\"name\": \"SettingsFrame.ForeachSetting\"}, {\"name\": \"Transport.AddConn\"}, {\"name\": \"Transport.CloseIdleConnections\"}, {\"name\": \"Transport.NewClientConn\"}, {\"name\": \"Transport.RoundTrip\"}, {\"name\": \"Transport.RoundTripOpt\"}, {\"name\": \"bufferedWriter.Flush\"}, {\"name\": \"bufferedWriter.Write\"}, {\"name\": \"bufferedWriterTimeoutWriter.Write\"}, {\"name\": \"chunkWriter.Write\"}, {\"name\": \"clientConnPool.GetClientConn\"}, {\"name\": \"gzipReader.Close\"}, {\"name\": \"gzipReader.Read\"}, {\"name\": \"noDialClientConnPool.GetClientConn\"}, {\"name\": \"requestBody.Close\"}, {\"name\": \"responseWriter.Flush\"}, {\"name\": \"responseWriter.FlushError\"}, {\"name\": \"responseWriter.Push\"}, {\"name\": \"responseWriter.Write\"}, {\"name\": \"responseWriter.WriteHeader\"}, {\"name\": \"responseWriter.WriteString\"}, {\"name\": \"serve400Handler.ServeHTTP\"}, {\"name\": \"serverConn.Flush\"}, {\"name\": \"stickyErrWriter.Write\"}, {\"name\": \"transportResponseBody.Close\"}, {\"name\": \"transportResponseBody.Read\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"golang.org/x/net\", \"product\": \"golang.org/x/net/http2\", \"collectionURL\": \"https://pkg.go.dev\", \"packageName\": \"golang.org/x/net/http2\", \"versions\": [{\"version\": \"0\", \"lessThan\": \"0.60.0\", \"status\": \"affected\", \"versionType\": \"semver\"}], \"programRoutines\": [{\"name\": \"serverConn.processSetting\"}, {\"name\": \"serverConn.startFrameWrite\"}, {\"name\": \"ClientConn.Close\"}, {\"name\": \"ClientConn.Ping\"}, {\"name\": \"ClientConn.RoundTrip\"}, {\"name\": \"ClientConn.Shutdown\"}, {\"name\": \"ConfigureServer\"}, {\"name\": \"ConfigureTransport\"}, {\"name\": \"ConfigureTransports\"}, {\"name\": \"ConnectionError.Error\"}, {\"name\": \"ErrCode.String\"}, {\"name\": \"FrameHeader.String\"}, {\"name\": \"FrameType.String\"}, {\"name\": \"FrameWriteRequest.String\"}, {\"name\": \"Framer.ReadFrame\"}, {\"name\": \"Framer.ReadFrameForHeader\"}, {\"name\": \"Framer.ReadFrameHeader\"}, {\"name\": \"Framer.WriteContinuation\"}, {\"name\": \"Framer.WriteData\"}, {\"name\": \"Framer.WriteDataPadded\"}, {\"name\": \"Framer.WriteGoAway\"}, {\"name\": \"Framer.WriteHeaders\"}, {\"name\": \"Framer.WritePing\"}, {\"name\": \"Framer.WritePriority\"}, {\"name\": \"Framer.WritePriorityUpdate\"}, {\"name\": \"Framer.WritePushPromise\"}, {\"name\": \"Framer.WriteRSTStream\"}, {\"name\": \"Framer.WriteRawFrame\"}, {\"name\": \"Framer.WriteSettings\"}, {\"name\": \"Framer.WriteSettingsAck\"}, {\"name\": \"Framer.WriteWindowUpdate\"}, {\"name\": \"GoAwayError.Error\"}, {\"name\": \"ReadFrameHeader\"}, {\"name\": \"Server.ServeConn\"}, {\"name\": \"Setting.String\"}, {\"name\": \"SettingID.String\"}, {\"name\": \"SettingsFrame.ForeachSetting\"}, {\"name\": \"StreamError.Error\"}, {\"name\": \"Transport.CloseIdleConnections\"}, {\"name\": \"Transport.NewClientConn\"}, {\"name\": \"Transport.RoundTrip\"}, {\"name\": \"Transport.RoundTripOpt\"}, {\"name\": \"bufferedWriter.Flush\"}, {\"name\": \"bufferedWriter.Write\"}, {\"name\": \"bufferedWriterTimeoutWriter.Write\"}, {\"name\": \"chunkWriter.Write\"}, {\"name\": \"clientConnPool.GetClientConn\"}, {\"name\": \"connError.Error\"}, {\"name\": \"dataBuffer.Read\"}, {\"name\": \"duplicatePseudoHeaderError.Error\"}, {\"name\": \"gzipReader.Close\"}, {\"name\": \"gzipReader.Read\"}, {\"name\": \"headerFieldNameError.Error\"}, {\"name\": \"headerFieldValueError.Error\"}, {\"name\": \"netHTTPClientConn.Close\"}, {\"name\": \"netHTTPClientConn.RoundTrip\"}, {\"name\": \"noDialClientConnPool.GetClientConn\"}, {\"name\": \"noDialH2RoundTripper.NewClientConn\"}, {\"name\": \"noDialH2RoundTripper.RoundTrip\"}, {\"name\": \"pipe.Read\"}, {\"name\": \"priorityWriteSchedulerRFC7540.CloseStream\"}, {\"name\": \"priorityWriteSchedulerRFC7540.OpenStream\"}, {\"name\": \"priorityWriteSchedulerRFC9218.OpenStream\"}, {\"name\": \"pseudoHeaderError.Error\"}, {\"name\": \"requestBody.Close\"}, {\"name\": \"requestBody.Read\"}, {\"name\": \"responseWriter.Flush\"}, {\"name\": \"responseWriter.FlushError\"}, {\"name\": \"responseWriter.Push\"}, {\"name\": \"responseWriter.SetReadDeadline\"}, {\"name\": \"responseWriter.SetWriteDeadline\"}, {\"name\": \"responseWriter.Write\"}, {\"name\": \"responseWriter.WriteHeader\"}, {\"name\": \"responseWriter.WriteString\"}, {\"name\": \"roundRobinWriteScheduler.OpenStream\"}, {\"name\": \"serverConn.CloseConn\"}, {\"name\": \"serverConn.Flush\"}, {\"name\": \"stickyErrWriter.Write\"}, {\"name\": \"transportResponseBody.Close\"}, {\"name\": \"transportResponseBody.Read\"}, {\"name\": \"unencryptedTransport.RoundTrip\"}, {\"name\": \"writeData.String\"}], \"defaultStatus\": \"unaffected\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)\"}]}], \"references\": [{\"url\": \"https://go.dev/cl/847188\"}, {\"url\": \"https://go.dev/cl/847313\"}, {\"url\": \"https://go.dev/issue/81867\"}, {\"url\": \"https://groups.google.com/g/golang-announce/c/U2fTuyDJznI\"}, {\"url\": \"https://groups.google.com/g/golang-announce/c/ZPwCyRUuGBs\"}, {\"url\": \"https://pkg.go.dev/vuln/GO-2026-6617\"}], \"credits\": [{\"lang\": \"en\", \"value\": \"RyotaK (https://ryotak.net) of GMO Flatt Security Inc.\"}]}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-97032\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-10-15T15:46:16.190858Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-362\", \"description\": \"CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-10-15T15:46:08.235Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-97032\", \"assignerOrgId\": \"1bb62c36-49e3-4200-9d77-64a1400537cc\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Go\", \"dateReserved\": \"2026-09-23T23:03:58.333Z\", \"datePublished\": \"2026-10-08T22:54:00.230Z\", \"dateUpdated\": \"2026-10-15T15:46:39.417Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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