{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.7.0"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "d33818550d69d4ae2bb340b6e26cd67af4f46dbd"
            },
            {
              "fixed": "210f25fb9b3ca1af2eb649936f78ad6991b6c9c5"
            }
          ],
          "repo": "https://github.com/gopacket/gopacket",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-8mcr-459q-5mx2"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-125",
      "CWE-400"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/65xxx/CVE-2026-65819.json"
  },
  "details": "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.",
  "id": "CVE-2026-65819",
  "modified": "2026-08-12T03:51:23.352119185Z",
  "published": "2026-08-07T19:19:16.032Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/gopacket/gopacket/releases/tag/v1.7.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/65xxx/CVE-2026-65819.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/gopacket/gopacket/security/advisories/GHSA-8mcr-459q-5mx2"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-65819"
    },
    {
      "type": "FIX",
      "url": "https://github.com/gopacket/gopacket/commit/210f25fb9b3ca1af2eb649936f78ad6991b6c9c5"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "gopacket: Multiple layer decoders panic on crafted packets (out-of-bounds/underflow) enabling unauthenticated remote DoS via DecodingLayerParser"
}