Out-of-bounds Read Affecting thunderbird package, versions <0:115.5.0-1.el9_3.alma


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-ALMALINUX9-THUNDERBIRD-6115463
  • published11 Dec 2023
  • disclosed27 Nov 2023

Introduced: 27 Nov 2023

CVE-2023-6204  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 thunderbird to version 0:115.5.0-1.el9_3.alma or higher.
This issue was patched in ALSA-2023:7501.

NVD Description

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

On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

CVSS Scores

version 3.1