Out-of-bounds Read Affecting firefox package, versions <0:102.3.0-6.el7_9


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-3187578
  • published3 Jan 2023
  • disclosed20 Sept 2022

Introduced: 20 Sep 2022

CVE-2022-3266  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:102.3.0-6.el7_9 or higher.
This issue was patched in RHSA-2022:6711.

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:7 relevant fixed versions and status.

An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

CVSS Scores

version 3.1