External Control of System or Configuration Setting Affecting firefox package, versions <0:140.17.0-1.el10_2


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.24% (15th percentile)

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  • Snyk IDSNYK-CENTOS10-FIREFOX-21412287
  • published22 Oct 2026
  • disclosed29 Sept 2026

Introduced: 29 Sep 2026

NewCVE-2026-100820  (opens in a new tab)
CWE-15  (opens in a new tab)

How to fix?

Upgrade Centos:10 firefox to version 0:140.17.0-1.el10_2 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:10 relevant fixed versions and status.

Privilege escalation in the Address Bar component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.

CVSS Base Scores

version 3.1