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Gentoo Linux: CVE-2021-38503: Mozilla Firefox: Multiple vulnerabilities

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Gentoo Linux: CVE-2021-38503: Mozilla Firefox: Multiple vulnerabilities

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
12/08/2021
Created
02/24/2022
Added
02/22/2022
Modified
08/11/2022

Description

The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Solution(s)

  • gentoo-linux-upgrade-mail-client-thunderbird
  • gentoo-linux-upgrade-mail-client-thunderbird-bin
  • gentoo-linux-upgrade-www-client-firefox
  • gentoo-linux-upgrade-www-client-firefox-bin

References

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