Use After Free Affecting firefox package, versions <0:91.7.0-3.el8_5


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.71% (81st percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-4204752
  • published10 Mar 2022
  • disclosed8 Mar 2022

Introduced: 8 Mar 2022

CVE-2022-26381  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 firefox to version 0:91.7.0-3.el8_5 or higher.
This issue was patched in RHSA-2022:0818.

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.

An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially exploitable crash. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.

CVSS Scores

version 3.1