Out-of-bounds Read Affecting webkit2gtk3-jsc package, versions <0:2.54.0-1.el9_8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.32% (25th percentile)

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  • Snyk IDSNYK-RHEL9-WEBKIT2GTK3JSC-20064193
  • published23 Sept 2026
  • disclosed15 Sept 2026

Introduced: 15 Sep 2026

CVE-2026-91733  (opens in a new tab)
CWE-125  (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.

Improper state validation in Skia in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Base Scores

version 3.1