CVE-2025-14330 Affecting thunderbird package, versions <0:140.6.0-1.el9_7.alma.1


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.5% (40th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ALMALINUX9-THUNDERBIRD-14565618
  • published24 Dec 2025
  • disclosed5 Jan 2026

Introduced: 24 Dec 2025

CVE-2025-14330  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 thunderbird to version 0:140.6.0-1.el9_7.alma.1 or higher.
This issue was patched in ALSA-2025:23856.

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.

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

CVSS Base Scores

version 3.1