CVE-2025-5266 Affecting thunderbird package, versions <0:128.11.0-1.0.1.el9_6


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (10th percentile)

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  • Snyk IDSNYK-ORACLE9-THUNDERBIRD-10323330
  • published7 Jun 2025
  • disclosed27 May 2025

Introduced: 27 May 2025

NewCVE-2025-5266  (opens in a new tab)

How to fix?

Upgrade Oracle:9 thunderbird to version 0:128.11.0-1.0.1.el9_6 or higher.
This issue was patched in ELSA-2025-8607.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 139 and Firefox ESR < 128.11.

CVSS Base Scores

version 3.1