Out-of-bounds Write Affecting firefox-x11 package, versions <0:115.6.0-1.el9_3.alma


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.67% (81st percentile)

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  • Snyk IDSNYK-ALMALINUX9-FIREFOXX11-6144687
  • published4 Jan 2024
  • disclosed2 Jan 2024

Introduced: 2 Jan 2024

CVE-2023-6856  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 firefox-x11 to version 0:115.6.0-1.el9_3.alma or higher.
This issue was patched in ALSA-2024:0025.

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.

The WebGL DrawElementsInstanced method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

CVSS Scores

version 3.1