An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.6, macOS Monterey 12.6.8, iOS 15.7.8 and iPadOS 15.7.8, tvOS 16.6, iOS 16.6 and iPadOS 16.6, macOS Ventura 13.5. An app may be able to execute arbitrary code with kernel privileges.
https://support.apple.com/kb/HT213848
https://support.apple.com/kb/HT213846
https://support.apple.com/kb/HT213844
https://support.apple.com/kb/HT213843
https://support.apple.com/kb/HT213842
https://support.apple.com/kb/HT213841
https://support.apple.com/en-us/HT213848
https://support.apple.com/en-us/HT213846
https://support.apple.com/en-us/HT213844
https://support.apple.com/en-us/HT213843