Use After Free Affecting thunderbird package, versions <0:128.12.0-1.el10_0


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.08% (24th percentile)

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  • Snyk IDSNYK-RHEL10-THUNDERBIRD-10598230
  • published4 Jul 2025
  • disclosed24 Jun 2025

Introduced: 24 Jun 2025

NewCVE-2025-6424  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:10 thunderbird to version 0:128.12.0-1.el10_0 or higher.
This issue was patched in RHSA-2025:10195.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

A use-after-free in FontFaceSet resulted in a potentially exploitable crash. This vulnerability affects Firefox < 140, Firefox ESR < 115.25, Firefox ESR < 128.12, Thunderbird < 140, and Thunderbird < 128.12.

CVSS Base Scores

version 3.1