CVE-2022-31738 Information

Description

When exiting fullscreen mode an iframe could have confused the browser about the current state of fullscreen resulting in potential user confusion or spoofing attacks. This vulnerability affects Thunderbird < 91.10 Firefox < 101 and Firefox ESR < 91.10.

Reference

https://www.mozilla.org/security/advisories/mfsa2022-20/ https://bugzilla.mozilla.org/show_bug.cgi?id=1756388 https://www.mozilla.org/security/advisories/mfsa2022-22/ https://www.mozilla.org/security/advisories/mfsa2022-21/