{
  "cveId": "CVE-2026-63676",
  "url": "https://patchblox.com/security/cve/CVE-2026-63676",
  "summary": "CVE-2026-63676 is fixed in 3 products on 1 platform, first by libyaml-perl 1.30-1ubuntu0.20.04.1~esm1, released August 26, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libyaml-perl vulnerability",
  "description": "backtracking leading to exponential load time",
  "published": "2026-08-25T19:47:26Z",
  "severity": "Medium",
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libyaml-perl",
      "release": "Debian 14",
      "fixedVersion": "1.321-1",
      "fix": "DEBIAN-CVE-2026-63676",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-63676",
      "released": "2026-09-03T01:35:34Z"
    },
    {
      "platform": "linux",
      "product": "libyaml-perl",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.24-1ubuntu0.1~esm1",
      "fix": "libyaml-perl 1.24-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libyaml-perl-1.24-1ubuntu0.1-esm1",
      "released": "2026-10-16T15:52:00Z"
    },
    {
      "platform": "linux",
      "product": "libyaml-perl",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.30-1ubuntu0.20.04.1~esm1",
      "fix": "libyaml-perl 1.30-1ubuntu0.20.04.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libyaml-perl-1.30-1ubuntu0.20.04.1-esm1",
      "released": "2026-08-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libyaml-perl",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.30-1ubuntu0.22.04.1",
      "fix": "libyaml-perl 1.30-1ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libyaml-perl-1.30-1ubuntu0.22.04.1",
      "released": "2026-08-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libyaml-perl",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.31-1ubuntu0.24.04.1",
      "fix": "libyaml-perl 1.31-1ubuntu0.24.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libyaml-perl-1.31-1ubuntu0.24.04.1",
      "released": "2026-08-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libyaml-perl",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.31-1ubuntu0.26.04.1~esm1",
      "fix": "libyaml-perl 1.31-1ubuntu0.26.04.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libyaml-perl-1.31-1ubuntu0.26.04.1-esm1",
      "released": "2026-08-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "perl-YAML",
      "release": "amzn 2023",
      "fixedVersion": "1.31-7.amzn2023.0.2",
      "fix": "ALAS2023-2026-2151",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2151",
      "released": "2026-09-14T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "perl-YAML-tests",
      "release": "amzn 2023",
      "fixedVersion": "1.31-7.amzn2023.0.2",
      "fix": "ALAS2023-2026-2151",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2151",
      "released": "2026-09-14T09:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}