CVE-2023-42854

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-25 · updated 2026-06-17

Description

This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sonoma 14.1, macOS Monterey 12.7.1, macOS Ventura 13.6.1. An app may be able to cause a denial-of-service to Endpoint Security clients.

Affected products

Apple macOS: from 12.0 before 12.7.1; from 13.0 before 13.6.1; from 14.0 before 14.1 — fixed in 12.7.1, 13.6.1, 14.1

How to fix

Upgrade to a fixed version: Apple macOS 12.7.1, 13.6.1, 14.1. Check the vendor advisory for mitigations.

References

http://seclists.org/fulldisclosure/2023/Oct/21
http://seclists.org/fulldisclosure/2023/Oct/24
http://seclists.org/fulldisclosure/2023/Oct/26
https://support.apple.com/en-us/HT213983
https://support.apple.com/en-us/HT213984
https://support.apple.com/en-us/HT213985
https://support.apple.com/kb/HT213983
https://support.apple.com/kb/HT213984
https://support.apple.com/kb/HT213985
http://seclists.org/fulldisclosure/2023/Oct/21
http://seclists.org/fulldisclosure/2023/Oct/24
http://seclists.org/fulldisclosure/2023/Oct/26

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