Red Hat: CVE-2021-38506: CVE-2021-38506 Mozilla: Firefox could be coaxed into going into fullscreen mode without notification or warning (Multiple Advisories)
4
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
11/03/2021
11/10/2021
11/09/2021
12/15/2023
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)
- 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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