description: 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.
problem types: Calling into reportValidity could have lead to fullscreen window spoof
affected:
{
vendor: Mozilla
product: Firefox ESR
versions:
version: unspecified, lessThan: 91.5, status: affected, versionType: custom
}
{
vendor: Mozilla
product: Firefox
versions:
version: unspecified, lessThan: 96, status: affected, versionType: custom
}
{
vendor: Mozilla
product: Thunderbird
versions:
version: unspecified, lessThan: 91.5, status: affected, versionType: custom
}
