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.
CPE | Name | Operator | Version |
---|---|---|---|
firefox | lt | 96.0 | |
firefox_esr | lt | 91.5 | |
thunderbird | lt | 91.5 |