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.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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mozilla firefox |
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mozilla firefox_esr |
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mozilla thunderbird |