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


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.5% (40th percentile)

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  • Snyk IDSNYK-AMZN2-WEBKITGTK4JSC-18523577
  • published5 Aug 2026
  • disclosed29 Jun 2026

Introduced: 29 Jun 2026

CVE-2026-43701  (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.

The issue was addressed with improved checks. 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. A malicious website may be able to process restricted web content outside the sandbox.

CVSS Base Scores

version 3.1