CVE-2025-5266 Affecting firefox-x11 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)

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-ORACLE9-FIREFOXX11-10264123
  • published30 May 2025
  • disclosed27 May 2025

Introduced: 27 May 2025

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

How to fix?

Upgrade Oracle:9 firefox-x11 to version 0:128.11.0-1.0.1.el9_6 or higher.
This issue was patched in ELSA-2025-8293.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-x11 package and not the firefox-x11 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