Incorrect Privilege Assignment Affecting firefox package, versions <0:140.11.0-1.el8_10


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.31% (23rd percentile)

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  • Snyk IDSNYK-CENTOS8-FIREFOX-16798970
  • published22 May 2026
  • disclosed19 May 2026

Introduced: 19 May 2026

CVE-2026-8970  (opens in a new tab)
CWE-266  (opens in a new tab)

How to fix?

Upgrade Centos:8 firefox to version 0:140.11.0-1.el8_10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Centos. See How to fix? for Centos:8 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