wid-sec-w-2026-0911 · Published 2026-03-29 · View on BSI CERT-Bund ↗

WebKitGTK: Multiple Vulnerabilities

CVSS 6.5 MEDIUM

Risk Summary

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.

CVEs (8)

CVE-2026-20643 CVE-2026-20664 CVE-2026-20665 CVE-2026-20691 CVE-2026-28857 CVE-2026-28859 CVE-2026-28861 CVE-2026-28871

Affected Vendors

Open Source

Affected Products (2)

Open Source · WebKitGTK <2.52.1

Open Source · WebKitGTK 2.52.1

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