CVE-2026-43653

MEDIUM

iOS and iPadOS < 18.7.9 - Denial of Service via Uncontrolled Resource Consumption

Title source: llm

Description

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.

References (5)

Core 5

Core References

https://support.apple.com/en-us/127110

https://support.apple.com/en-us/127111

https://support.apple.com/en-us/127115

https://support.apple.com/en-us/127117

https://support.apple.com/en-us/127118

Scores

CVSS v3 6.2

EPSS 0.0001

EPSS Percentile 3.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-400

Status published

Products (9)

Apple/iOS and iPadOS < 18.7.9

Apple/iOS and iPadOS < 26.5

apple/ipados < 18.7.9

apple/iphone_os < 18.7.9

Apple/macOS < 14.8.7

Apple/macOS < 26.5

apple/macos 14.0 - 14.8.7

Apple/tvOS < 26.5

apple/tvos < 26.5

Published May 11, 2026

Tracked Since May 12, 2026