{
  "cveId": "CVE-2021-30632",
  "url": "https://patchblox.com/security/cve/CVE-2021-30632",
  "summary": "CVE-2021-30632 is fixed in 7 products on 2 platforms, first by chromium-browser 94.0.4606.71-0ubuntu0.18.04.1, released October 8, 2021. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021. Patch Radar priority: Patch now.",
  "title": "Chromium: CVE-2021-30632 Out of bounds write in V8",
  "description": "\u003Cp\u003EThis CVE was assigned by Chrome.  Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see \u003Ca href=\u0022https://chromereleases.googleblog.com/2021\u0022\u003EGoogle Chrome Releases\u003C/a\u003E for more information.\u003C/p\u003E",
  "published": "2021-09-14T12:00:00Z",
  "severity": "Medium",
  "cvss": 8.8,
  "cwe": "CWE-787: Out-of-bounds Write",
  "epss": 0.6319,
  "epssPercentile": 0.9921,
  "priority": "Patch now",
  "priorityTier": 1,
  "exploited": true,
  "vendorExploited": true,
  "disclosed": false,
  "kev": {
    "added": "2021-11-03T00:00:00Z",
    "due": "2021-11-17T00:00:00Z",
    "ransomware": false,
    "requiredAction": "Apply updates per vendor instructions."
  },
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-30632",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Microsoft Edge Beta",
      "fixedVersion": "127.0.2651.8",
      "fix": "Microsoft Edge Beta 127.0.2651.8",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.beta-127.0.2651.8",
      "released": "2024-06-21T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Microsoft Edge Dev",
      "fixedVersion": "127.0.2651.8",
      "fix": "Microsoft Edge Dev 127.0.2651.8",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-127.0.2651.8",
      "released": "2024-06-21T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium-browser",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "94.0.4606.71-0ubuntu0.18.04.1",
      "fix": "chromium-browser 94.0.4606.71-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-browser-94.0.4606.71-0ubuntu0.18.04.1",
      "released": "2021-10-08T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium-browser-l10n",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "94.0.4606.71-0ubuntu0.18.04.1",
      "fix": "chromium-browser-l10n 94.0.4606.71-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-browser-l10n-94.0.4606.71-0ubuntu0.18.04.1",
      "released": "2021-10-08T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium-chromedriver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "94.0.4606.71-0ubuntu0.18.04.1",
      "fix": "chromium-chromedriver 94.0.4606.71-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-chromedriver-94.0.4606.71-0ubuntu0.18.04.1",
      "released": "2021-10-08T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium-codecs-ffmpeg",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "94.0.4606.71-0ubuntu0.18.04.1",
      "fix": "chromium-codecs-ffmpeg 94.0.4606.71-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-94.0.4606.71-0ubuntu0.18.04.1",
      "released": "2021-10-08T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium-codecs-ffmpeg-extra",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "94.0.4606.71-0ubuntu0.18.04.1",
      "fix": "chromium-codecs-ffmpeg-extra 94.0.4606.71-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-extra-94.0.4606.71-0ubuntu0.18.04.1",
      "released": "2021-10-08T15:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}