Use After Free Affecting webkit2gtk3-jsc package, versions <0:2.54.0-1.el9_8


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
7.27% (95th percentile)

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  • Snyk IDSNYK-RHEL9-WEBKIT2GTK3JSC-20361902
  • published1 Oct 2026
  • disclosed26 Aug 2025

Introduced: 26 Aug 2025

CVE-2025-9478  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:9 webkit2gtk3-jsc to version 0:2.54.0-1.el9_8 or higher.
This issue was patched in RHSA-2026:69098.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkit2gtk3-jsc package and not the webkit2gtk3-jsc package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

Use after free in ANGLE in Google Chrome prior to 139.0.7258.154 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)

CVSS Base Scores

version 3.1