{
  "fix": "OPENSUSE-SU-2026:21889-1",
  "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21889-1",
  "summary": "OPENSUSE-SU-2026:21889-1, released September 20, 2026, fixes 8 CVEs in libheif (version 1.23.4-160000.1.1). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "libheif security update",
  "released": "2026-09-20T12:44:23Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-84383, rated Critical",
  "supported": true,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00717,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://osv.dev/vulnerability/openSUSE-SU-2026:21889-1",
  "appliesTo": [
    {
      "product": "libheif",
      "productUrl": "https://patchblox.com/security/product/linux/libheif",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.23.4-160000.1.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-84383",
      "url": "https://patchblox.com/security/cve/CVE-2026-84383",
      "title": "libheif: libheif is a HEIF and AVIF file format decoder and encoder",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00717,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-84384",
      "url": "https://patchblox.com/security/cve/CVE-2026-84384",
      "title": "libheif: libheif is a HEIF and AVIF file format decoder and encoder",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00517,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-84447",
      "url": "https://patchblox.com/security/cve/CVE-2026-84447",
      "title": "libheif: libheif is a HEIF and AVIF file format decoder and encoder",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00517,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-84444",
      "url": "https://patchblox.com/security/cve/CVE-2026-84444",
      "title": "libheif: libheif is a HEIF and AVIF file format decoder and encoder",
      "priority": "High",
      "severity": "high",
      "cvss": 7.4,
      "epss": 0.00478,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-84446",
      "url": "https://patchblox.com/security/cve/CVE-2026-84446",
      "title": "libheif: libheif is a HEIF and AVIF file format decoder and encoder",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00458,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-84451",
      "url": "https://patchblox.com/security/cve/CVE-2026-84451",
      "title": "libheif: libheif is a HEIF and AVIF file format decoder and encoder",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00311,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-84450",
      "url": "https://patchblox.com/security/cve/CVE-2026-84450",
      "title": "libheif: libheif is a HEIF and AVIF file format decoder and encoder",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00284,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-84448",
      "url": "https://patchblox.com/security/cve/CVE-2026-84448",
      "title": "libheif: libheif is a HEIF and AVIF file format decoder and encoder",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4,
      "epss": 0.00186,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-10T07:50:38Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}