CVE-2023-42869

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-10 · updated 2026-06-17
Weakness: CWE-787

Description

Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Ventura 13.4, iOS 16.5 and iPadOS 16.5. Multiple issues in libxml2.

Affected products

Apple iPadOS: before 16.5 — fixed in 16.5
Apple Iphone Os: before 16.5 — fixed in 16.5
Apple macOS: before 13.4 — fixed in 13.4

How to fix

Upgrade to a fixed version: Apple iPadOS 16.5; Apple Iphone Os 16.5; Apple macOS 13.4. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/HT213757
https://support.apple.com/en-us/HT213758
https://support.apple.com/en-us/HT213757
https://support.apple.com/en-us/HT213758

Get alerted when CVE-2023-42869 or the next vulnerability affects your stack