A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 10, iOS 17 and iPadOS 17, tvOS 17, macOS Sonoma 14, Safari 17. Processing web content may lead to arbitrary code execution.
https://support.apple.com/en-us/HT213941
https://support.apple.com/en-us/HT213940
https://support.apple.com/en-us/HT213938
https://support.apple.com/en-us/HT213937