Debian: CVE-2021-38506: firefox-esr, thunderbird -- security update
4
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
12/08/2021
12/31/2021
12/30/2021
01/17/2022
Description
Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
Solution(s)
- debian-upgrade-firefox-esr
- debian-upgrade-thunderbird
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