CVE-2026-43656

published 2026-05-11

CVE-2026-43656: An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS…

high 7.3 CVSS 3.1

AV N AC L PR N UI N S U C L I L A L

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.

Affected

12 ranges

Vendor	Product	Version range	Fixed in
apple	ios_and_ipados	< 18.7.9	18.7.9
apple	ios_and_ipados	< 26.5	26.5
apple	ipados	< 18.7.9	18.7.9
apple	ipados	>= 26.0 < 26.5	26.5
apple	iphone_os	< 18.7.9	18.7.9
apple	iphone_os	>= 26.0 < 26.5	26.5
apple	macos	< 14.8.7	14.8.7
apple	macos	< 15.7.7	15.7.7
apple	macos	< 26.5	26.5
apple	macos	>= 14.0 < 14.8.7	14.8.7
apple	macos	>= 15.0 < 15.7.7	15.7.7
apple	macos	>= 26.0 < 26.5	26.5

CWE-787