{
  "cveId": "CVE-2021-4079",
  "url": "https://patchblox.com/security/cve/CVE-2021-4079",
  "summary": "CVE-2021-4079 is fixed in 6 products on 1 platform, first by DEBIAN-CVE-2021-4079, released December 23, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "chromium: Out of bounds write in WebRTC in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit...",
  "description": "Out of bounds write in WebRTC in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via crafted WebRTC packets.",
  "published": "2021-12-22T17:15:00Z",
  "severity": "high",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.00882,
  "epssPercentile": 0.59374,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "chromium",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "97.0.4692.71-0.1",
      "fix": "DEBIAN-CVE-2021-4079",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-4079",
      "released": "2021-12-23T01:15:09Z"
    },
    {
      "platform": "linux",
      "product": "chromium",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "97.0.4692.71-0.1",
      "fix": "DEBIAN-CVE-2021-4079",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-4079",
      "released": "2021-12-23T01:15:09Z"
    },
    {
      "platform": "linux",
      "product": "chromium",
      "release": "Debian 14",
      "fixedVersion": "97.0.4692.71-0.1",
      "fix": "DEBIAN-CVE-2021-4079",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-4079",
      "released": "2021-12-23T01:15:09Z"
    },
    {
      "platform": "linux",
      "product": "chromium-browser",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "97.0.4692.71-0ubuntu0.18.04.1",
      "fix": "chromium-browser 97.0.4692.71-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-browser-97.0.4692.71-0ubuntu0.18.04.1",
      "released": "2023-01-02T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium-browser-l10n",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "97.0.4692.71-0ubuntu0.18.04.1",
      "fix": "chromium-browser-l10n 97.0.4692.71-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-browser-l10n-97.0.4692.71-0ubuntu0.18.04.1",
      "released": "2023-01-02T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium-chromedriver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "97.0.4692.71-0ubuntu0.18.04.1",
      "fix": "chromium-chromedriver 97.0.4692.71-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-chromedriver-97.0.4692.71-0ubuntu0.18.04.1",
      "released": "2023-01-02T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium-codecs-ffmpeg",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "97.0.4692.71-0ubuntu0.18.04.1",
      "fix": "chromium-codecs-ffmpeg 97.0.4692.71-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-97.0.4692.71-0ubuntu0.18.04.1",
      "released": "2023-01-02T15:15:00Z"
    },
    {
      "platform": "linux",
      "product": "chromium-codecs-ffmpeg-extra",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "97.0.4692.71-0ubuntu0.18.04.1",
      "fix": "chromium-codecs-ffmpeg-extra 97.0.4692.71-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-extra-97.0.4692.71-0ubuntu0.18.04.1",
      "released": "2023-01-02T15:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}