CVE-2023-42844

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-25 · updated 2026-06-17
Weakness: CWE-59

Description

This issue was addressed with improved handling of symlinks. This issue is fixed in macOS Sonoma 14.1, macOS Monterey 12.7.1, macOS Ventura 13.6.1. A website may be able to access sensitive user data when resolving symlinks.

Affected products

Apple macOS: from 12.0.0 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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