Improper Access Control Affecting webkitgtk4-jsc package, versions <0:2.52.5-1.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.48% (39th percentile)

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  • Snyk IDSNYK-AMZN2-WEBKITGTK4JSC-18523752
  • published5 Aug 2026
  • disclosed29 Jun 2026

Introduced: 29 Jun 2026

CVE-2026-43713  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 webkitgtk4-jsc to version 0:2.52.5-1.amzn2 or higher.
This issue was patched in ALAS2-2026-3843.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkitgtk4-jsc package and not the webkitgtk4-jsc package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

A permissions issue was addressed with additional restrictions. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Visiting a website may leak sensitive data.

CVSS Base Scores

version 3.1