Origin Validation Error Affecting firefox-x11 package, versions <0:140.6.0-1.el9_7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.01% (3rd percentile)

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  • Snyk IDSNYK-RHEL9-FIREFOXX11-14394051
  • published11 Dec 2025
  • disclosed9 Dec 2025

Introduced: 9 Dec 2025

NewCVE-2025-14331  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade RHEL:9 firefox-x11 to version 0:140.6.0-1.el9_7 or higher.
This issue was patched in RHSA-2025:23034.

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 RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

Same-origin policy bypass in the Request Handling component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.

CVSS Base Scores

version 3.1