An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 17.5, iOS 16.7.8 and iPadOS 16.7.8, visionOS 1.2, Safari 17.5, iOS 17.5 and iPadOS 17.5. Processing maliciously crafted web content may lead to arbitrary code execution.
https://support.apple.com/en-us/HT214108
https://support.apple.com/en-us/HT214103
https://support.apple.com/en-us/HT214102
https://support.apple.com/en-us/HT214101