The issue was addressed with improved memory handling. This issue is fixed in iOS 17.4 and iPadOS 17.4, macOS Sonoma 14.4, tvOS 17.4, visionOS 1.1, watchOS 10.4. Processing web content may lead to arbitrary code execution.
https://support.apple.com/en-us/120895
https://support.apple.com/en-us/120893
https://support.apple.com/en-us/120883