{
  "fix": "DEBIAN-CVE-2025-40908",
  "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-40908",
  "summary": "DEBIAN-CVE-2025-40908, released June 1, 2025, fixes 1 CVE in libyaml-libyaml-perl. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "libyaml-libyaml-perl security update",
  "released": "2025-06-01T14:15:21Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-40908, high severity",
  "supported": true,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00472,
  "maxCvss": 9.1,
  "vendorAdvisory": "https://security-tracker.debian.org/tracker/CVE-2025-40908",
  "appliesTo": [
    {
      "product": "libyaml-libyaml-perl",
      "productUrl": "https://patchblox.com/security/product/linux/libyaml-libyaml-perl",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "0.86\u002Bds-1\u002Bdeb12u1",
      "supported": true
    },
    {
      "product": "libyaml-libyaml-perl",
      "productUrl": "https://patchblox.com/security/product/linux/libyaml-libyaml-perl",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "0.903.0\u002Bds-1",
      "supported": true
    },
    {
      "product": "libyaml-libyaml-perl",
      "productUrl": "https://patchblox.com/security/product/linux/libyaml-libyaml-perl",
      "release": "Debian 14",
      "fixedVersion": "0.903.0\u002Bds-1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-40908",
      "url": "https://patchblox.com/security/cve/CVE-2025-40908",
      "title": "perl-YAML-LibYAML: Kirill Siminov\u0027s \u0022libyaml\u0022 is arguably the best YAML implementation",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00472,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}