{
  "fix": "chromium-browser 90.0.4430.93-0ubuntu0.18.04.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-browser-90.0.4430.93-0ubuntu0.18.04.1",
  "summary": "chromium-browser 90.0.4430.93-0ubuntu0.18.04.1, released April 30, 2021, fixes 12 CVEs in chromium-browser. One of them is being exploited (CVE-2021-21224); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "chromium-browser 90.0.4430.93-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2021-04-30T14:15:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2021-21224, exploited (CISA KEV)",
  "supported": false,
  "cveCount": 12,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.84173,
  "appliesTo": [
    {
      "product": "chromium-browser",
      "productUrl": "https://patchblox.com/security/product/linux/chromium-browser",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "90.0.4430.93-0ubuntu0.18.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-21224",
      "url": "https://patchblox.com/security/cve/CVE-2021-21224",
      "title": "Chromium: CVE-2021-21224 Type Confusion in V8",
      "priority": "Patch now",
      "severity": "Medium",
      "epss": 0.84173,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-21225",
      "url": "https://patchblox.com/security/cve/CVE-2021-21225",
      "title": "Chromium: CVE-2021-21225 Out of bounds memory access in V8",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.06625,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-21222",
      "url": "https://patchblox.com/security/cve/CVE-2021-21222",
      "title": "Chromium: CVE-2021-21222 Heap buffer overflow in V8",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01755,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-21230",
      "url": "https://patchblox.com/security/cve/CVE-2021-21230",
      "title": "Chromium: CVE-2021-21230 Type Confusion in V8",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01601,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-21223",
      "url": "https://patchblox.com/security/cve/CVE-2021-21223",
      "title": "Chromium: CVE-2021-21223 Integer overflow in Mojo",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.0144,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-21226",
      "url": "https://patchblox.com/security/cve/CVE-2021-21226",
      "title": "Chromium: CVE-2021-21226 Use after free in navigation",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01354,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-21233",
      "url": "https://patchblox.com/security/cve/CVE-2021-21233",
      "title": "Chromium: CVE-2021-21233 Heap buffer overflow in ANGLE",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01328,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-21227",
      "url": "https://patchblox.com/security/cve/CVE-2021-21227",
      "title": "Chromium: CVE-2021-21227 Insufficient data validation in V8",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01189,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-21231",
      "url": "https://patchblox.com/security/cve/CVE-2021-21231",
      "title": "Chromium: CVE-2021-21231 Insufficient data validation in V8",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01144,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-21232",
      "url": "https://patchblox.com/security/cve/CVE-2021-21232",
      "title": "Chromium: CVE-2021-21232 Use after free in Dev Tools",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01104,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-21228",
      "url": "https://patchblox.com/security/cve/CVE-2021-21228",
      "title": "Chromium: CVE-2021-21228 Insufficient policy enforcement in extensions",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01063,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-21229",
      "url": "https://patchblox.com/security/cve/CVE-2021-21229",
      "title": "Chromium: CVE-2021-21229 Incorrect security UI in downloads",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.0085,
      "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"
  }
}