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Red Hat: CVE-2021-43534: CVE-2021-43534 Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3 (Multiple Advisories)

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Red Hat: CVE-2021-43534: CVE-2021-43534 Mozilla: Memory safety bugs fixed in Firefox 94 and Firefox ESR 91.3 (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
12/08/2021
Created
03/01/2022
Added
02/28/2022
Modified
12/15/2023

Description

Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. 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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