Out-of-bounds Write Affecting thunderbird package, versions <0:140.6.0-1.el10_1.alma.1


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.06% (18th percentile)

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  • Snyk IDSNYK-ALMALINUX10-THUNDERBIRD-14872164
  • published6 Jan 2026
  • disclosed22 Dec 2025

Introduced: 22 Dec 2025

CVE-2025-14333  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:10 thunderbird to version 0:140.6.0-1.el10_1.alma.1 or higher.
This issue was patched in ALSA-2026:0025.

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:10 relevant fixed versions and status.

Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

CVSS Base Scores

version 3.1