Use After Free Affecting webkit2gtk3-jsc-devel package, versions <0:2.54.0-1.el8_10


Severity

Recommended
critical

Based on CentOS security rating.

Threat Intelligence

EPSS
0.33% (27th percentile)

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  • Snyk IDSNYK-CENTOS8-WEBKIT2GTK3JSCDEVEL-19170830
  • published22 Aug 2026
  • disclosed20 Aug 2026

Introduced: 20 Aug 2026

CVE-2026-64787  (opens in a new tab)
CWE-416  (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 use-after-free issue was addressed with improved memory management. 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, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to an unexpected process termination.

CVSS Base Scores

version 3.1