Use After Free Affecting firefox package, versions <0:91.7.0-3.el8_4


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.27% (69th percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-4164854
  • published9 Mar 2022
  • disclosed5 Mar 2022

Introduced: 5 Mar 2022

CVE-2022-26486  (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_4 or higher.
This issue was patched in RHSA-2022:0817.

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 unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.

CVSS Scores

version 3.1