Open Redirect Affecting firefox package, versions <0:128.6.0-1.el9_5


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.23% (14th percentile)

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  • Snyk IDSNYK-RHEL9-FIREFOX-8613643
  • published10 Jan 2025
  • disclosed7 Jan 2025

Introduced: 7 Jan 2025

CVE-2025-0239  (opens in a new tab)
CWE-601  (opens in a new tab)

How to fix?

Upgrade RHEL:9 firefox to version 0:128.6.0-1.el9_5 or higher.
This issue was patched in RHSA-2025:0080.

NVD Description

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

When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.

CVSS Base Scores

version 3.1