Red Hat: CVE-2021-43538: Missing fullscreen and pointer lock notification when requesting both (Multiple Advisories)
4
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
12/08/2021
12/13/2021
12/09/2021
12/15/2023
Description
By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Solution(s)
- redhat-upgrade-firefox
- redhat-upgrade-firefox-debuginfo
- redhat-upgrade-firefox-debugsource
- redhat-upgrade-thunderbird
- redhat-upgrade-thunderbird-debuginfo
- redhat-upgrade-thunderbird-debugsource
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