Apple iOS/macOS/tvOS Local Network DoS via Memory Handling
CVE-2026-43653 Published on May 11, 2026

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5. An attacker on the local network may be able to cause a denial-of-service.

NVD

Products Associated with CVE-2026-43653

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Apple iOS

Apple iPadOS

Apple macOS

Apple Macos Sonoma

Apple tvOS

Apple Ios And Ipados

Affected Versions

Apple iOS and iPadOS:

Before 18.7.9 is affected.
Before 26.5 is affected.

Apple macOS:

Before 14.8.7 is affected.
Before 26.5 is affected.

Apple tvOS:

Before 26.5 is affected.