Incorrect Privilege Assignment Affecting firefox package, versions <0:140.10.0-1.el9_4


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-16775111
  • published20 May 2026
  • disclosed21 Apr 2026

Introduced: 21 Apr 2026

CVE-2026-6769  (opens in a new tab)
CWE-266  (opens in a new tab)

How to fix?

Upgrade RHEL:9 firefox to version 0:140.10.0-1.el9_4 or higher.
This issue was patched in RHSA-2026:19464.

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.

Privilege escalation in the Debugger component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

CVSS Base Scores

version 3.1