Use After Free Affecting firefox package, versions <0:91.8.0-1.el8_5.alma


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-ALMALINUX8-FIREFOX-5612777
  • published28 May 2023
  • disclosed11 Apr 2022

Introduced: 11 Apr 2022

CVE-2022-1097  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 firefox to version 0:91.8.0-1.el8_5.alma or higher.
This issue was patched in ALSA-2022:1287.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

<code>NSSToken</code> objects were referenced via direct points, and could have been accessed in an unsafe way on different threads, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

CVSS Scores

version 3.1