{
  "fix": "libwebsockets15 3.2.1-3ubuntu0.1~esm3",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libwebsockets15-3.2.1-3ubuntu0.1-esm3",
  "summary": "libwebsockets15 3.2.1-3ubuntu0.1~esm3, released October 8, 2026, fixes 1 CVE in libwebsockets15. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "libwebsockets15 3.2.1-3ubuntu0.1~esm3 for Ubuntu 20.04 LTS (focal)",
  "released": "2026-10-08T22:21:48Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-19773, rated Critical",
  "supported": false,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00646,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "libwebsockets15",
      "productUrl": "https://patchblox.com/security/product/linux/libwebsockets15",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.1-3ubuntu0.1~esm3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-19773",
      "url": "https://patchblox.com/security/cve/CVE-2026-19773",
      "title": "libwebsockets: libwebsockets HTTP/2 HPACK Path Header Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00646,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T08:00:37Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}