This issue was addressed with improved handling of symlinks. This issue is fixed in iOS 18.1 and iPadOS 18.1, macOS Sequoia 15.1, macOS Sonoma 14.7.1, tvOS 18.1, visionOS 2.1, watchOS 11.1. A malicious app may be able to access private information.
https://support.apple.com/en-us/121570
https://support.apple.com/en-us/121569
https://support.apple.com/en-us/121566
https://support.apple.com/en-us/121565
https://support.apple.com/en-us/121564
https://support.apple.com/en-us/121563
http://seclists.org/fulldisclosure/2024/Oct/9
http://seclists.org/fulldisclosure/2024/Oct/16
http://seclists.org/fulldisclosure/2024/Oct/15