Use After Free Affecting firefox-x11 package, versions <0:102.15.0-1.el9_2.alma


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-ALMALINUX9-FIREFOXX11-5884837
  • published6 Sept 2023
  • disclosed4 Sept 2023

Introduced: 4 Sep 2023

CVE-2023-4573  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 firefox-x11 to version 0:102.15.0-1.el9_2.alma or higher.
This issue was patched in ALSA-2023:4958.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-x11 package and not the firefox-x11 package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

When receiving rendering data over IPC mStream could have been destroyed when initialized, which could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.

CVSS Scores

version 3.1