CVE-2024-23259

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-08 · updated 2026-06-17
Weakness: CWE-400

Description

The issue was addressed with improved checks. This issue is fixed in iOS 16.7.6 and iPadOS 16.7.6, iOS 17.4 and iPadOS 17.4, macOS Sonoma 14.4. Processing web content may lead to a denial-of-service.

Affected products

Apple iPadOS: before 16.7.6; from 17.0 before 17.4 — fixed in 16.7.6, 17.4
Apple Iphone Os: before 16.7.6; from 17.0 before 17.4 — fixed in 16.7.6, 17.4
Apple macOS: from 14.0 before 14.4 — fixed in 14.4

How to fix

Upgrade to a fixed version: Apple iPadOS 16.7.6, 17.4; Apple Iphone Os 16.7.6, 17.4; Apple macOS 14.4. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/120880
https://support.apple.com/en-us/120893
https://support.apple.com/en-us/120895
http://seclists.org/fulldisclosure/2024/Mar/21
https://support.apple.com/en-us/HT214081
https://support.apple.com/en-us/HT214082
https://support.apple.com/en-us/HT214084
https://support.apple.com/kb/HT214081
https://support.apple.com/kb/HT214082
https://support.apple.com/kb/HT214084

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