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OpenAdvisories
Medium · 6.2 CVE-2026-43666 EUVD-2026-29307GHSA-cm8r-x63q-3wvp

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and…

Published May 11, 2026 · Updated May 12, 2026 · Assigned by apple

Description

An out-of-bounds write issue was addressed with improved bounds checking. 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, tvOS 26.5, visionOS 26.5, watchOS 26.5. An attacker on the local network may be able to cause a denial-of-service.

Affected products

VendorProductAffectedFixed
Apple iOS and iPadOS < 18.7.9, < 26.5 18.7.9
Apple macOS < 14.8.7, < 15.7.7, < 26.5 14.8.7
Apple tvOS < 26.5 26.5
Apple visionOS < 26.5 26.5
Apple watchOS < 26.5 26.5

Advisories 4

References