{
  "cveId": "CVE-2026-86433",
  "url": "https://patchblox.com/security/cve/CVE-2026-86433",
  "summary": "CVE-2026-86433 is fixed in php-league-commonmark on 1 platform by DEBIAN-CVE-2026-86433 (version 2.9.0-1), released September 8, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "php-league-commonmark: commonmark versions from 1.5.0 before 2.8.4 contain a denial of service vulnerability in the Attributes extension whe...",
  "description": "commonmark versions from 1.5.0 before 2.8.4 contain a denial of service vulnerability in the Attributes extension where AttributesListener::findTargetAndDirection() performs quadratic-time sibling list scanning. Unauthenticated attackers can submit approximately 32 KB of repeated attribute blocks to cause parsing to take over 5 seconds, exhausting server resources.",
  "published": "2026-09-07T13:20:42Z",
  "severity": "",
  "epss": 0.00509,
  "epssPercentile": 0.43746,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "php-league-commonmark",
      "release": "Debian 14",
      "fixedVersion": "2.9.0-1",
      "fix": "DEBIAN-CVE-2026-86433",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-86433",
      "released": "2026-09-08T02:27:47Z"
    }
  ],
  "noFixYet": [],
  "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"
  }
}