Description
Due to a layout change, iframe contents could have been rendered outside of its border. This could have led to user confusion or spoofing attacks. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Thunderbird
unspecified to < 91.8affected
Mozilla Firefox
unspecified to < 99affected
Mozilla Firefox ESR
unspecified to < 91.8affected