An integer overflow was addressed with improved input validation. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, tvOS 17.5, visionOS 1.2. Processing maliciously crafted web content may lead to arbitrary code execution.
https://support.apple.com/kb/HT214108
https://support.apple.com/kb/HT214103
https://support.apple.com/kb/HT214102
https://support.apple.com/kb/HT214100
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
https://support.apple.com/en-us/HT214100
https://support.apple.com/en-us/120906
https://support.apple.com/en-us/120905
https://support.apple.com/en-us/120901
https://support.apple.com/en-us/120898