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


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-4206277
  • published7 Apr 2022
  • disclosed5 Apr 2022

Introduced: 5 Apr 2022

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

How to fix?

Upgrade RHEL:8 firefox to version 0:91.8.0-1.el8_5 or higher.
This issue was patched in RHSA-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 RHEL. See How to fix? for RHEL: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