{
  "schema_version": "1.4.0",
  "id": "GHSA-qx74-qh3q-h8rj",
  "modified": "2025-04-16T18:31:33Z",
  "published": "2022-12-22T21:30:31Z",
  "aliases": [
    "CVE-2021-4128"
  ],
  "details": "When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.<br>*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4128"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1735852"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-52"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-12-22T20:15:00Z"
  }
}