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CentOS Linux: CVE-2021-43537: Important: firefox security update (Multiple Advisories)

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CentOS Linux: CVE-2021-43537: Important: firefox security update (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
12/08/2021
Created
12/13/2021
Added
12/09/2021
Modified
05/25/2023

Description

An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

Solution(s)

  • centos-upgrade-firefox
  • centos-upgrade-firefox-debuginfo
  • centos-upgrade-firefox-debugsource
  • centos-upgrade-thunderbird
  • centos-upgrade-thunderbird-debuginfo
  • centos-upgrade-thunderbird-debugsource

References

  • DSA-5026
  • DSA-5034
  • CVE-2021-43537

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