{
  "fix": "DSA-5497-2",
  "url": "https://patchblox.com/security/fix/linux/dsa-5497-2",
  "summary": "DSA-5497-2, released September 13, 2023, fixes 1 CVE in libwebp (version 0.6.1-2.1\u002Bdeb11u2). One of them is being exploited (CVE-2023-4863); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "linux",
  "type": "advisory",
  "title": "libwebp security update",
  "released": "2023-09-13T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2023-4863, exploited (CISA KEV)",
  "supported": false,
  "cveCount": 1,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.99979,
  "maxCvss": 9.6,
  "vendorAdvisory": "https://security-tracker.debian.org/tracker/CVE-2023-4863",
  "appliesTo": [
    {
      "product": "libwebp",
      "productUrl": "https://patchblox.com/security/product/linux/libwebp",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "0.6.1-2.1\u002Bdeb11u2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-4863",
      "url": "https://patchblox.com/security/cve/CVE-2023-4863",
      "title": "Chromium: CVE-2023-4863 Heap buffer overflow in WebP",
      "priority": "Patch now",
      "severity": "high",
      "cvss": 9.6,
      "epss": 0.99979,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": true
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}