A logic issue was addressed with improved checks. This issue is fixed in Safari 16.2, tvOS 16.2, iCloud for Windows 14.1, macOS Ventura 13.1, iOS 16.2 and iPadOS 16.2, watchOS 9.2. Processing maliciously crafted web content may disclose sensitive user information.
https://support.apple.com/en-us/HT213537
https://support.apple.com/en-us/HT213535
https://support.apple.com/en-us/HT213532
https://support.apple.com/en-us/HT213538
https://support.apple.com/en-us/HT213536
https://support.apple.com/en-us/HT213530
https://security.gentoo.org/glsa/202305-32
http://seclists.org/fulldisclosure/2022/Dec/28
http://seclists.org/fulldisclosure/2022/Dec/27
http://seclists.org/fulldisclosure/2022/Dec/26