A race condition could have allowed bypassing the fullscreen notification which could have lead to a fullscreen window spoof being unnoticed.<br>*This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
2022-12-22T20:15:15.860
2025-04-16T15:15:47.560
Modified
CVSSv3.1: 5.9 (MEDIUM)
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | mozilla | firefox | < 96.0 | Yes |
Application | mozilla | firefox_esr | < 91.5 | Yes |
Application | mozilla | thunderbird | < 91.5 | Yes |
Operating System | microsoft | windows | - | No |