Buffer Overflow Affecting webkit2gtk3 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
0.46% (37th percentile)

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  • Snyk IDSNYK-RHEL9-WEBKIT2GTK3-20045951
  • published22 Sept 2026
  • disclosed17 Aug 2026

Introduced: 17 Aug 2026

CVE-2026-64784  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade RHEL:9 webkit2gtk3 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 package and not the webkit2gtk3 package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.

CVSS Base Scores

version 3.1