{
  "fix": "DLA-4402-1",
  "url": "https://patchblox.com/security/fix/linux/dla-4402-1",
  "summary": "DLA-4402-1, released December 11, 2025, fixes 1 CVE in libsndfile (version 1.0.31-2\u002Bdeb11u2). None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "linux",
  "type": "advisory",
  "title": "libsndfile security update",
  "released": "2025-12-11T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2021-4156, high severity",
  "supported": false,
  "cveCount": 1,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01754,
  "maxCvss": 8.1,
  "vendorAdvisory": "https://security-tracker.debian.org/tracker/CVE-2021-4156",
  "appliesTo": [
    {
      "product": "libsndfile",
      "productUrl": "https://patchblox.com/security/product/linux/libsndfile",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "1.0.31-2\u002Bdeb11u2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-4156",
      "url": "https://patchblox.com/security/cve/CVE-2021-4156",
      "title": "libsndfile: libsndfile is a C library for reading and writing files containing sampled sound, such as AIFF, AU, or WAV",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.1,
      "epss": 0.01754,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}