description: When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen notification. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.
problem types: Browser window spoof using fullscreen mode
affected:
{
vendor: Mozilla
product: Firefox
versions:
version: unspecified, lessThan: 98, status: affected, versionType: custom
}
{
vendor: Mozilla
product: Firefox ESR
versions:
version: unspecified, lessThan: 91.7, status: affected, versionType: custom
}
{
vendor: Mozilla
product: Thunderbird
versions:
version: unspecified, lessThan: 91.7, status: affected, versionType: custom
}
