CVE-2023-4577 Affecting firefox package, versions <0:102.15.0-1.el8_8.alma


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.1% (43rd percentile)

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  • Snyk IDSNYK-ALMALINUX8-FIREFOX-5884874
  • published6 Sept 2023
  • disclosed4 Sept 2023

Introduced: 4 Sep 2023

CVE-2023-4577  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 firefox to version 0:102.15.0-1.el8_8.alma or higher.
This issue was patched in ALSA-2023:4952.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

When UpdateRegExpStatics attempted to access initialStringHeap it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

CVSS Scores

version 3.1