An integer overflow issue was addressed with improved input validation. This issue is fixed in tvOS 15.5, iTunes 12.12.4 for Windows, iOS 15.5 and iPadOS 15.5, watchOS 8.6, macOS Monterey 12.4. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
https://support.apple.com/en-us/HT213259
https://support.apple.com/en-us/HT213258
https://support.apple.com/en-us/HT213257