CVE-2026-58207 (GCVE-0-2026-58207)
Vulnerability from cvelistv5
Published
2026-07-08 20:15
Modified
2026-07-09 14:41
CWE
  • CWE-190 - Integer Overflow or Wraparound
Summary
NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a client able to send account-scoped connection monitoring requests could crash the server by supplying Connz pagination Offset and Limit values that overflowed internal arithmetic before the response window was safely bounded. This issue is fixed in versions 2.14.3 and 2.12.12.
Impacted products
Vendor Product Version
nats-io nats-server Version: < 2.12.12
Version: >= 2.14.0-RC.1, < 2.14.3
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-58207",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-09T14:21:06.599044Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-09T14:41:02.162Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "nats-server",
          "vendor": "nats-io",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.12.12"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.14.0-RC.1, \u003c 2.14.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a client able to send account-scoped connection monitoring requests could crash the server by supplying Connz pagination Offset and Limit values that overflowed internal arithmetic before the response window was safely bounded. This issue is fixed in versions 2.14.3 and 2.12.12."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-190",
              "description": "CWE-190: Integer Overflow or Wraparound",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-08T20:15:31.082Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/nats-io/nats-server/security/advisories/GHSA-q59r-vq66-pxc2",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/nats-io/nats-server/security/advisories/GHSA-q59r-vq66-pxc2"
        },
        {
          "name": "https://github.com/nats-io/nats-server/commit/2ae047139e37a38cb01e259a67909e7a39fa38e9",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nats-io/nats-server/commit/2ae047139e37a38cb01e259a67909e7a39fa38e9"
        },
        {
          "name": "https://github.com/nats-io/nats-server/commit/894d9411927681d66ce349bf1afe49608dc0c1a3",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nats-io/nats-server/commit/894d9411927681d66ce349bf1afe49608dc0c1a3"
        },
        {
          "name": "https://github.com/nats-io/nats-server/releases/tag/v2.12.12",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nats-io/nats-server/releases/tag/v2.12.12"
        },
        {
          "name": "https://github.com/nats-io/nats-server/releases/tag/v2.14.3",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/nats-io/nats-server/releases/tag/v2.14.3"
        }
      ],
      "source": {
        "advisory": "GHSA-q59r-vq66-pxc2",
        "discovery": "UNKNOWN"
      },
      "title": "NATS Server: Remote crash via integer overflow in Connz pagination"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-58207",
    "datePublished": "2026-07-08T20:15:31.082Z",
    "dateReserved": "2026-06-29T17:09:25.872Z",
    "dateUpdated": "2026-07-09T14:41:02.162Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"cna\": {\"title\": \"NATS Server: Remote crash via integer overflow in Connz pagination\", \"source\": {\"advisory\": \"GHSA-q59r-vq66-pxc2\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 7.7, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"nats-io\", \"product\": \"nats-server\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003c 2.12.12\"}, {\"status\": \"affected\", \"version\": \"\u003e= 2.14.0-RC.1, \u003c 2.14.3\"}]}], \"references\": [{\"url\": \"https://github.com/nats-io/nats-server/security/advisories/GHSA-q59r-vq66-pxc2\", \"name\": \"https://github.com/nats-io/nats-server/security/advisories/GHSA-q59r-vq66-pxc2\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/nats-io/nats-server/commit/2ae047139e37a38cb01e259a67909e7a39fa38e9\", \"name\": \"https://github.com/nats-io/nats-server/commit/2ae047139e37a38cb01e259a67909e7a39fa38e9\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/nats-io/nats-server/commit/894d9411927681d66ce349bf1afe49608dc0c1a3\", \"name\": \"https://github.com/nats-io/nats-server/commit/894d9411927681d66ce349bf1afe49608dc0c1a3\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/nats-io/nats-server/releases/tag/v2.12.12\", \"name\": \"https://github.com/nats-io/nats-server/releases/tag/v2.12.12\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/nats-io/nats-server/releases/tag/v2.14.3\", \"name\": \"https://github.com/nats-io/nats-server/releases/tag/v2.14.3\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a client able to send account-scoped connection monitoring requests could crash the server by supplying Connz pagination Offset and Limit values that overflowed internal arithmetic before the response window was safely bounded. This issue is fixed in versions 2.14.3 and 2.12.12.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-190\", \"description\": \"CWE-190: Integer Overflow or Wraparound\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-07-08T20:15:31.082Z\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-58207\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-09T14:21:06.599044Z\"}}}], \"providerMetadata\": {\"shortName\": \"CISA-ADP\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"dateUpdated\": \"2026-07-09T14:21:07.274Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-58207\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-08T20:15:31.082Z\", \"dateReserved\": \"2026-06-29T17:09:25.872Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2026-07-08T20:15:31.082Z\", \"assignerShortName\": \"GitHub_M\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.


Loading…

Loading…