CVE-2025-6425 Affecting thunderbird package, versions <0:128.12.0-1.el8_10


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.07% (22nd percentile)

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  • Snyk IDSNYK-ROCKY8-THUNDERBIRD-11331866
  • published30 Jul 2025
  • disclosed24 Jun 2025

Introduced: 24 Jun 2025

CVE-2025-6425  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 thunderbird to version 0:128.12.0-1.el8_10 or higher.
This issue was patched in RLSA-2025:10246.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. 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