Protection Mechanism Failure Affecting webkit2gtk3-jsc-devel package, versions <0:2.54.0-1.el8_10


Severity

Recommended
critical

Based on CentOS security rating.

Threat Intelligence

EPSS
0.37% (31st percentile)

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  • Snyk IDSNYK-CENTOS8-WEBKIT2GTK3JSCDEVEL-19170801
  • published22 Aug 2026
  • disclosed20 Aug 2026

Introduced: 20 Aug 2026

CVE-2026-64728  (opens in a new tab)
CWE-693  (opens in a new tab)

How to fix?

Upgrade Centos:8 webkit2gtk3-jsc-devel to version 0:2.54.0-1.el8_10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkit2gtk3-jsc-devel package and not the webkit2gtk3-jsc-devel package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

A permissions issue was addressed with improved validation. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Maliciously crafted web content may violate iframe sandboxing policy.

CVSS Base Scores

version 3.1