{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "91.0"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "Firefox for Android could get stuck in fullscreen mode and not exit it even after normal interactions that should cause it to exit. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox \u003c 91.",
  "id": "CVE-2021-29983",
  "modified": "2026-03-13T21:55:06.791325676Z",
  "published": "2021-08-17T20:15:07.810Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.mozilla.org/security/advisories/mfsa2021-33/"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1719088"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}