CVE-2026-8970 Affecting firefox-debugsource package, versions <0:140.11.0-1.el10_2


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.31% (23rd percentile)

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  • Snyk IDSNYK-ROCKY10-FIREFOXDEBUGSOURCE-17183020
  • published5 Jun 2026
  • disclosed19 May 2026

Introduced: 19 May 2026

CVE-2026-8970  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:10 firefox-debugsource to version 0:140.11.0-1.el10_2 or higher.
This issue was patched in RLSA-2026:21380.

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 Rocky-Linux. See How to fix? for Rocky-Linux:10 relevant fixed versions and status.

Privilege escalation in the Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

CVSS Base Scores

version 3.1