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Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to cause a denial-of-service.

PUBLISHED Reserved 2026-03-03 | Published 2026-05-11 | Updated 2026-05-11 | Assigner apple

Problem types

An app may be able to cause a denial-of-service

Product status

Any version before 26.5
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/127115

support.apple.com/en-us/127118

support.apple.com/en-us/127119

support.apple.com/en-us/127120

cve.org (CVE-2026-28991)

nvd.nist.gov (CVE-2026-28991)

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