An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in iOS 16.2 and iPadOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, watchOS 9.2. A remote user may be able to cause unexpected app termination or arbitrary code execution.
https://support.apple.com/en-us/HT213535
https://support.apple.com/en-us/HT213532
https://support.apple.com/en-us/HT213531
https://support.apple.com/kb/HT213535
https://support.apple.com/en-us/HT213536
https://support.apple.com/en-us/HT213530
http://seclists.org/fulldisclosure/2022/Dec/27
http://seclists.org/fulldisclosure/2022/Dec/23