Expired Pointer Dereference Affecting firefox package, versions <0:140.17.0-1.el10_2


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.27% (19th percentile)

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  • Snyk IDSNYK-CENTOS10-FIREFOX-20351900
  • published1 Oct 2026
  • disclosed29 Sept 2026

Introduced: 29 Sep 2026

NewCVE-2026-100811  (opens in a new tab)
CWE-825  (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.

Sandbox escape due to use-after-free in the DOM: Core & HTML 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