Out-of-bounds Read Affecting MozillaThunderbird package, versions <115.5.0-150200.8.139.1


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.84% (58th percentile)

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  • Snyk IDSNYK-SLES154-MOZILLATHUNDERBIRD-6091153
  • published28 Nov 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 SLES:15.4 MozillaThunderbird to version 115.5.0-150200.8.139.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream MozillaThunderbird package and not the MozillaThunderbird package as distributed by SLES. See How to fix? for SLES:15.4 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 Base Scores

version 3.1