The issue was addressed with improved memory handling. This issue is fixed in watchOS 9.3, tvOS 16.3, macOS Ventura 13.2, iOS 16.3 and iPadOS 16.3. Processing web content may lead to arbitrary code execution.
https://support.apple.com/en-us/HT213606
https://support.apple.com/en-us/HT213605
https://support.apple.com/en-us/HT213601