{
  "fix": "chromium-codecs-ffmpeg-extra 91.0.4472.101-0ubuntu0.18.04.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-extra-91.0.4472.101-0ubuntu0.18.04.1",
  "summary": "chromium-codecs-ffmpeg-extra 91.0.4472.101-0ubuntu0.18.04.1, released June 15, 2021, fixes 12 CVEs in chromium-codecs-ffmpeg-extra. One of them is being exploited (CVE-2021-30551); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "chromium-codecs-ffmpeg-extra 91.0.4472.101-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2021-06-15T15:15:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2021-30551, exploited (CISA KEV)",
  "supported": false,
  "cveCount": 12,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.64701,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "chromium-codecs-ffmpeg-extra",
      "productUrl": "https://patchblox.com/security/product/linux/chromium-codecs-ffmpeg-extra",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "91.0.4472.101-0ubuntu0.18.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-30551",
      "url": "https://patchblox.com/security/cve/CVE-2021-30551",
      "title": "Chromium: CVE-2021-30551 Type Confusion in V8",
      "priority": "Patch now",
      "severity": "Medium",
      "epss": 0.64701,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-30547",
      "url": "https://patchblox.com/security/cve/CVE-2021-30547",
      "title": "Chromium: CVE-2021-30547 Out of bounds write in ANGLE",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.03612,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-30544",
      "url": "https://patchblox.com/security/cve/CVE-2021-30544",
      "title": "Chromium: CVE-2021-30544 Use after free in BFCache",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01236,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-30548",
      "url": "https://patchblox.com/security/cve/CVE-2021-30548",
      "title": "Chromium: CVE-2021-30548 Use after free in Loader",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01173,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-30553",
      "url": "https://patchblox.com/security/cve/CVE-2021-30553",
      "title": "Chromium: CVE-2021-30553 Use after free in Network service",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01173,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-30545",
      "url": "https://patchblox.com/security/cve/CVE-2021-30545",
      "title": "Chromium: CVE-2021-30545 Use after free in Extensions",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01101,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-30546",
      "url": "https://patchblox.com/security/cve/CVE-2021-30546",
      "title": "Chromium: CVE-2021-30546 Use after free in Autofill",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01101,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-30552",
      "url": "https://patchblox.com/security/cve/CVE-2021-30552",
      "title": "Chromium: CVE-2021-30552 Use after free in Extensions",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00977,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-30549",
      "url": "https://patchblox.com/security/cve/CVE-2021-30549",
      "title": "Chromium: CVE-2021-30549 Use after free in Spell check",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00931,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-30550",
      "url": "https://patchblox.com/security/cve/CVE-2021-30550",
      "title": "Chromium: CVE-2021-30550 Use after free in Accessibility",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00874,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-30542",
      "url": "https://patchblox.com/security/cve/CVE-2021-30542",
      "title": "chromium-browser: Use after free in Tab Strip in Google Chrome prior to 91.0.4472.77 allowed an attacker who convinced a user to instal...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00788,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-30543",
      "url": "https://patchblox.com/security/cve/CVE-2021-30543",
      "title": "chromium-browser: Use after free in Tab Strip in Google Chrome prior to 91.0.4472.77 allowed an attacker who convinced a user to instal...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.00788,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T14:02:24Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}