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4 vulnerabilities found for by gopacket

CVE-2026-119299 (GCVE-0-2026-119299)
Vulnerability from cvelistv5
Published
2026-10-30 16:23
Modified
2026-10-30 16:54
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-125 - Out-of-bounds Read
  • CWE-129 - Improper Validation of Array Index
Summary
gopacket provides packet processing capabilities for Go. Prior to 1.7.2, the SCTP chunk chain in layers/sctp.go passes attacker-controlled declared lengths and counts to decodeSCTPInit, decodeSCTPShutdown, decodeSCTPError, decodeSCTPSack, and decodeSCTPParameter without checking that each chunk contains the fixed fields, parameter TLVs, gap acknowledgements, or duplicate TSNs those sub-decoders read. A crafted SCTP segment can therefore cause out-of-bounds or inverted slice panics; the panic can terminate applications that use gopacket.DecodeOptions.SkipDecodeRecovery, direct registered decoders, or DecodingLayerParser with IgnorePanic enabled, while the default recovery-enabled APIs convert it to a per-packet decode error. This is the SCTP sub-decoder residual named but not remediated by CVE-2026-65819, whose version 1.7.1 changes bounded the generic dispatcher but left these per-type reads and loops unchecked. The impact is availability only, with no data disclosure, modification, or allocation amplification. This issue is fixed in version 1.7.2.
References
Impacted products
Vendor Product Version
gopacket gopacket Version: < 1.7.2
 Create a notification for this product.
Show details on NVD website

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CVE-2026-65819 (GCVE-0-2026-65819)
Vulnerability from cvelistv5
Published
2026-08-07 19:19
Modified
2026-08-11 01:07
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-125 - Out-of-bounds Read
  • CWE-400 - Uncontrolled Resource Consumption
Summary
gopacket provides packet processing capabilities for Go. Through version 1.7.0, multiple layer decoders use attacker-controlled lengths, counts, or offsets before validating them against packet buffers, allowing a crafted packet decoded through DecodingLayerParser or DecodeFromBytes to trigger an unrecovered panic and remotely deny service. A patch commit is available at 210f25f.
References
Impacted products
Vendor Product Version
gopacket gopacket Version: <= 1.7.0
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-54332 (GCVE-0-2026-54332)
Vulnerability from cvelistv5
Published
2026-07-28 16:17
Modified
2026-07-28 17:28
Severity ?
6.9 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
gopacket provides packet processing capabilities for Go. In version 1.6.0 and earlier, the sFlow ExtendedGatewayFlow decoder in layers/sflow.go reads an attacker-controlled 32-bit community count and AS path member count and sizes a slice allocation from those counts without bounding them against the bytes remaining in the datagram, so a 104-byte UDP datagram can drive an allocation of up to 16 GiB and cause an unauthenticated remote denial of service. This issue is fixed in version 1.6.1.
References
Impacted products
Vendor Product Version
gopacket gopacket Version: < 1.6.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-54345 (GCVE-0-2026-54345)
Vulnerability from cvelistv5
Published
2026-07-28 16:14
Modified
2026-07-28 17:11
Severity ?
6.9 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
gopacket provides packet processing capabilities for Go. In version 1.6.0 and earlier, the Diameter AVP decoder computes an AVP data length by subtracting a fixed header size from an attacker-controlled AVP Length field, so a vendor-flagged AVP whose Length is smaller than the 12-byte header underflows the unsigned 32-bit value and drives an unbounded allocation of roughly 4 GiB, and two such messages in succession OOM-kill a collector, causing an unauthenticated remote denial of service. This issue is fixed in version 1.6.1.
References
Impacted products
Vendor Product Version
gopacket gopacket Version: < 1.6.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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        }
      ],
      "source": {
        "advisory": "GHSA-6r28-9ppf-4hj5",
        "discovery": "UNKNOWN"
      },
      "title": "GoPacket\u0027s Diameter AVP decoder: uint32 underflow on vendor header size leads to unbounded ~4 GiB allocation (unauthenticated remote DoS)"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-54345",
    "datePublished": "2026-07-28T16:14:12.097Z",
    "dateReserved": "2026-06-12T19:23:22.317Z",
    "dateUpdated": "2026-07-28T17:11:47.628Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}