Information Exposure Affecting webkitgtk4-jsc package, versions <0:2.46.6-1.amzn2.0.2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.46% (38th percentile)

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  • Snyk IDSNYK-AMZN2-WEBKITGTK4JSC-14882242
  • published7 Jan 2026
  • disclosed4 Nov 2025

Introduced: 4 Nov 2025

CVE-2025-43480  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 webkitgtk4-jsc to version 0:2.46.6-1.amzn2.0.2 or higher.
This issue was patched in ALAS2-2025-2869.

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 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious website may exfiltrate data cross-origin.

CVSS Base Scores

version 3.1