The issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.6.3, macOS Ventura 13.2, watchOS 9.3, macOS Big Sur 11.7.3, Safari 16.3, tvOS 16.3, iOS 16.3 and iPadOS 16.3. Processing maliciously crafted web content may lead to arbitrary code execution.
https://support.apple.com/en-us/HT213638
https://support.apple.com/en-us/HT213606
https://support.apple.com/en-us/HT213605
https://support.apple.com/en-us/HT213604
https://support.apple.com/en-us/HT213603
https://support.apple.com/en-us/HT213601