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.

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Fixes

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History

Wed, 13 May 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Apple ipados
Apple iphone Os
CPEs cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Vendors & Products Apple ipados
Apple iphone Os

Tue, 12 May 2026 20:45:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Read Leading to Denial of Service in Apple Operating Systems

Tue, 12 May 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 12 May 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-125
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Mon, 11 May 2026 23:30:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple ios And Ipados
Apple macos
Apple tvos
Apple visionos
Apple watchos
Vendors & Products Apple
Apple ios And Ipados
Apple macos
Apple tvos
Apple visionos
Apple watchos

Mon, 11 May 2026 22:45:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Read Leading to Denial of Service in Apple Operating Systems
Weaknesses CWE-787

Mon, 11 May 2026 20:45:00 +0000

Type Values Removed Values Added
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.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-05-12T17:24:25.187Z

Reserved: 2026-03-03T16:36:03.995Z

Link: CVE-2026-28991

cve-icon Vulnrichment

Updated: 2026-05-12T17:24:20.546Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-11T21:18:59.017

Modified: 2026-05-13T14:07:52.870

Link: CVE-2026-28991

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-12T20:30:23Z

Weaknesses