An integer overflow was addressed through improved input validation. This issue is fixed in tvOS 16.4, macOS Big Sur 11.7.5, iOS 16.4 and iPadOS 16.4, watchOS 9.4, macOS Monterey 12.6.4, iOS 15.7.4 and iPadOS 15.7.4. An app may be able to cause a denial-of-service.
https://support.apple.com/en-us/HT213678
https://support.apple.com/en-us/HT213677
https://support.apple.com/en-us/HT213676
https://support.apple.com/en-us/HT213675