{
  "cveId": "CVE-2021-24000",
  "url": "https://patchblox.com/security/cve/CVE-2021-24000",
  "summary": "CVE-2021-24000 is fixed in 4 products on 2 platforms, first by firefox 88.0\u002Bbuild2-0ubuntu0.18.04.2, released April 25, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Firefox ESR and 1 other: A race condition with requestPointerLock() and setTimeout() could have resulted in a user interacting\u2026",
  "description": "A race condition with requestPointerLock() and setTimeout() could have resulted in a user interacting with one tab when they believed they were on a separate tab. In conjunction with certain elements (such as \u0026lt;input type=\u0022file\u0022\u0026gt;) this could have led to an attack where a user was confused about the origin of the webpage and potentially disclosed information they did not intend to. This vulnerability affects Firefox \u003C 88.",
  "published": "2021-04-18T17:00:00Z",
  "severity": "Medium",
  "cvss": 3.1,
  "epss": 0.00605,
  "epssPercentile": 0.49226,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2021-24000",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (en-US)",
      "fixedVersion": "91.0",
      "fix": "Mozilla Firefox ESR (en-US) 91.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr-91.0",
      "released": "2021-08-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "88.0\u002Bbuild2-0ubuntu0.18.04.2",
      "fix": "firefox 88.0\u002Bbuild2-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-88.0-build2-0ubuntu0.18.04.2",
      "released": "2021-04-25T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "88.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox 88.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-88.0-build2-0ubuntu0.20.04.1",
      "released": "2021-04-25T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "88.0\u002Bbuild2-0ubuntu0.18.04.2",
      "fix": "firefox-geckodriver 88.0\u002Bbuild2-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-geckodriver-88.0-build2-0ubuntu0.18.04.2",
      "released": "2021-04-25T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "88.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox-geckodriver 88.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-geckodriver-88.0-build2-0ubuntu0.20.04.1",
      "released": "2021-04-25T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "88.0\u002Bbuild2-0ubuntu0.18.04.2",
      "fix": "firefox-mozsymbols 88.0\u002Bbuild2-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-88.0-build2-0ubuntu0.18.04.2",
      "released": "2021-04-25T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "88.0\u002Bbuild2-0ubuntu0.20.04.1",
      "fix": "firefox-mozsymbols 88.0\u002Bbuild2-0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-mozsymbols-88.0-build2-0ubuntu0.20.04.1",
      "released": "2021-04-25T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}