CVE-2025-4083 Affecting firefox-x11 package, versions <0:128.10.0-1.el9_5.alma.1


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.05% (16th 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-ALMALINUX9-FIREFOXX11-10117967
  • published13 May 2025
  • disclosed5 May 2025

Introduced: 5 May 2025

NewCVE-2025-4083  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 firefox-x11 to version 0:128.10.0-1.el9_5.alma.1 or higher.
This issue was patched in ALSA-2025:4443.

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

A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Firefox ESR < 115.23, Thunderbird < 138, and Thunderbird < 128.10.

CVSS Base Scores

version 3.1