Medium · 5.5 CVE-2026-20654 EUVD-2026-6223GHSA-4m8q-p6h8-x2wj

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, vision…

Published Feb 11, 2026 · Updated Apr 2, 2026 · Assigned by apple

Vendor: Apple Product: iOS and iPadOS Product: macOS Product: tvOS Product: visionOS Product: watchOS Platform: iOS Platform: macOS

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.

Affected products

Vendor	Product	Affected	Fixed
Apple	iOS and iPadOS	< 26.3	26.3
Apple	macOS	< 26.3	26.3
Apple	tvOS	< 26.3	26.3
Apple	visionOS	< 26.3	26.3
Apple	watchOS	< 26.3	26.3

Advisories 4

WID-SEC-2026-0403 Apple macOS Tahoe, Sequoia und Sonoma: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 8, 2026
WID-SEC-2026-0402 Apple iOS und iPadOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 24, 2026
NCSC-2026-0064 Kwetsbaarheden verholpen in Apple iOS en iPadOS NCSC-NL (Netherlands) · Feb 13, 2026
NCSC-2026-0063 Kwetsbaarheden verholpen in Apple macOS NCSC-NL (Netherlands) · Feb 13, 2026

References