CVE-2026-20611: An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS…

PriorityP340high7.8CVSS 3.1

AVLACLPRNUIRSUCHIHAH

EPSS

0.25%

16.7th percentile

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

Affected

22 ranges

Vendor	Product	Version range	Fixed in
apple	ios_18.7.5_and_ipados	—	—
apple	ios_26.3_and_ipados	—	—
apple	ios_and_ipados	< 18.7.5	18.7.5
apple	ios_and_ipados	< 26.3	26.3
apple	ipados	< 18.7.5	18.7.5
apple	ipados	>= 26.0 < 26.3	26.3
apple	iphone_os	< 18.7.5	18.7.5
apple	iphone_os	>= 26.0 < 26.3	26.3
apple	macos	< 15.7.4	15.7.4
apple	macos	< 26.3	26.3
apple	macos	< 14.8.4	14.8.4
apple	macos	>= 15.0 < 15.7.4	15.7.4
apple	macos	>= 26.0 < 26.3	26.3
apple	macos_sequoia	—	—
apple	macos_sonoma	—	—
apple	macos_tahoe	—	—
apple	tvos	< 26.3	26.3
apple	tvos	—	—
apple	visionos	< 26.3	26.3
apple	visionos	—	—
apple	watchos	< 26.3	26.3
apple	watchos	—	—

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