MFSA2021-52 Firefox: Security Vulnerabilities fixed in Firefox 95 (CVE-2021-43538)
4
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
12/07/2021
12/09/2021
12/08/2021
01/05/2022
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)
- mozilla-firefox-upgrade-95_0
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