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Rocky Linux: CVE-2021-38503: Important: firefox security update (RLSA-2021-4123)

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Rocky Linux: CVE-2021-38503: Important: firefox security update (RLSA-2021-4123)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
12/08/2021
Created
05/06/2022
Added
05/05/2022
Modified
05/05/2022

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)

  • rocky-upgrade-firefox
  • rocky-upgrade-firefox-debuginfo
  • rocky-upgrade-firefox-debugsource

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