{
  "fix": "RHSA-2021:4231",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4231",
  "summary": "RHSA-2021:4231, released November 9, 2021, fixes 8 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 2 packages",
  "released": "2021-11-09T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2020-36331, high severity",
  "supported": true,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02302,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2021:4231",
  "appliesTo": [
    {
      "product": "libwebp",
      "productUrl": "https://patchblox.com/security/product/linux/libwebp",
      "release": "RHEL 8",
      "fixedVersion": "0:1.0.0-5.el8",
      "supported": true
    },
    {
      "product": "libwebp-devel",
      "productUrl": "https://patchblox.com/security/product/linux/libwebp-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:1.0.0-5.el8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2020-36331",
      "url": "https://patchblox.com/security/cve/CVE-2020-36331",
      "title": "libwebp: The libwebp packages provide a library and tools for the WebP graphics format",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.02302,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-25010",
      "url": "https://patchblox.com/security/cve/CVE-2018-25010",
      "title": "libwebp: The libwebp packages provide a library and tools for the WebP graphics format",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.02235,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-25014",
      "url": "https://patchblox.com/security/cve/CVE-2018-25014",
      "title": "libwebp6: A use of uninitialized value was found in libwebp in versions before 1.0.1 in ReadSymbol().",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.0223,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36330",
      "url": "https://patchblox.com/security/cve/CVE-2020-36330",
      "title": "libwebp: The libwebp packages provide a library and tools for the WebP graphics format",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.0223,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-25009",
      "url": "https://patchblox.com/security/cve/CVE-2018-25009",
      "title": "libwebp: The libwebp packages provide a library and tools for the WebP graphics format",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.021,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-25012",
      "url": "https://patchblox.com/security/cve/CVE-2018-25012",
      "title": "libwebp: The libwebp packages provide a library and tools for the WebP graphics format",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.02051,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-25013",
      "url": "https://patchblox.com/security/cve/CVE-2018-25013",
      "title": "webp: A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ShiftBytes().",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.02051,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36332",
      "url": "https://patchblox.com/security/cve/CVE-2020-36332",
      "title": "libsharpyuv0: A flaw was found in libwebp in versions before 1.0.1",
      "priority": "High",
      "severity": "Low",
      "cvss": 9.8,
      "epss": 0.01966,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}