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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.

PUBLISHED Reserved 2026-05-01 | Published 2026-05-11 | Updated 2026-05-11 | Assigner apple

Problem types

An attacker on the local network may be able to cause a denial-of-service

Product status

Any version before 18.7.9
affected

Any version before 26.5
affected

Any version before 14.8.7
affected

Any version before 15.7.7
affected

Any version before 26.5
affected

Any version before 26.5
affected

Any version before 26.5
affected

Any version before 26.5
affected

References

support.apple.com/en-us/127110

support.apple.com/en-us/127111

support.apple.com/en-us/127115

support.apple.com/en-us/127116

support.apple.com/en-us/127117

support.apple.com/en-us/127118

support.apple.com/en-us/127119

support.apple.com/en-us/127120

cve.org (CVE-2026-43666)

nvd.nist.gov (CVE-2026-43666)

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