Description
When navigating from inside an iframe while requesting fullscreen access, an attacker-controlled tab could have made the browser unable to leave fullscreen mode. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox ESR
unspecified to < 91.5affected
Mozilla Firefox
unspecified to < 96affected
Mozilla Thunderbird
unspecified to < 91.5affected