Use After Free Affecting firefox package, versions <0:140.3.0-1.el8_10


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.26% (18th percentile)

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  • Snyk IDSNYK-CENTOS8-FIREFOX-12897964
  • published18 Sept 2025
  • disclosed16 Sept 2025

Introduced: 16 Sep 2025

CVE-2025-10527  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:8 firefox to version 0:140.3.0-1.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.

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

CVSS Base Scores

version 3.1