Cross-site Scripting (XSS) Affecting firefox-debugsource package, versions <0:140.5.0-2.el10_1


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.2% (11th percentile)

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  • Snyk IDSNYK-RHEL10-FIREFOXDEBUGSOURCE-13971446
  • published14 Nov 2025
  • disclosed11 Nov 2025

Introduced: 11 Nov 2025

CVE-2025-13013  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade RHEL:10 firefox-debugsource to version 0:140.5.0-2.el10_1 or higher.
This issue was patched in RHSA-2025:21281.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-debugsource package and not the firefox-debugsource package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

Mitigation bypass in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.

CVSS Base Scores

version 3.1