golang-github-gopacket-gopacket — security advisory

{
  "id": "70112f769076a57d7e6991c5c2e38b12fe884bdefb7bd6d104f82052368b75e4",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-65819",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2026-65819",
    "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.",
    "evidence": "osv:UBUNTU-CVE-2026-65819",
    "products": [
      {
        "name": {
          "value": "golang-github-gopacket-gopacket",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.0.0-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.2.0-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "1.2.0-2",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "golang-github-gopacket-gopacket",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.3.0-2",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "golang-github-gopacket-gopacket",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "1.3.0-2",
            "evidence": "/affected/2/versions"
          }
        ]
      }
    ],
    "severity": "high",
    "structured": {
      "id": "UBUNTU-CVE-2026-65819",
      "aliases": [
        "UBUNTU-CVE-2026-65819"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "golang-github-gopacket-gopacket",
            "purl": "pkg:deb/ubuntu/golang-github-gopacket-gopacket?arch=source&distro=noble",
            "ecosystem": "Ubuntu:24.04:LTS"
          },
          "versions": [
            "1.0.0-1",
            "1.2.0-1",
            "1.2.0-2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-65819.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "golang-github-gopacket-gopacket-dev",
                "binary_version": "1.2.0-2"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "golang-github-gopacket-gopacket",
            "purl": "pkg:deb/ubuntu/golang-github-gopacket-gopacket?arch=source&distro=stonking",
            "ecosystem": "Ubuntu:26.10"
          },
          "versions": [
            "1.3.0-2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-65819.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "golang-github-gopacket-gopacket-dev",
                "binary_version": "1.3.0-2"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "golang-github-gopacket-gopacket",
            "purl": "pkg:deb/ubuntu/golang-github-gopacket-gopacket?arch=source&distro=resolute",
            "ecosystem": "Ubuntu:26.04:LTS"
          },
          "versions": [
            "1.3.0-2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-65819.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "golang-github-gopacket-gopacket-dev",
                "binary_version": "1.3.0-2"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-17T12:56:23.986655623Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-65819"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2026-65819",
        "https://www.cve.org/CVERecord?id=CVE-2026-65819",
        "https://github.com/gopacket/gopacket/commit/210f25fb9b3ca1af2eb649936f78ad6991b6c9c5",
        "https://github.com/gopacket/gopacket/releases/tag/v1.7.0",
        "https://github.com/gopacket/gopacket/security/advisories/GHSA-8mcr-459q-5mx2"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-65819",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 355549,
  "published_at": "2026-08-07T20:16:00+00:00"
}