Ubuntu: (Multiple Advisories) (CVE-2021-4140): Firefox vulnerabilities
4
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
01/13/2022
01/18/2022
01/14/2022
03/22/2023
Description
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
Solution(s)
- ubuntu-upgrade-firefox
- ubuntu-upgrade-thunderbird
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