A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 10, iOS 17 and iPadOS 17, tvOS 17, macOS Sonoma 14, Safari 17. Processing web content may lead to arbitrary code execution. A correctness issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14, Safari 17, iOS 17 and iPadOS 17. Processing web content may lead to arbitrary code execution. An access issue was addressed with improved access restrictions. This issue is fixed in watchOS 10.3, tvOS 17.3, iOS 17.3 and iPadOS 17.3, macOS Sonoma 14.3, iOS 16.7.5 and iPadOS 16.7.5, Safari 17.3. A maliciously crafted webpage may be able to fingerprint the user. The issue was addressed with improved memory handling. This issue is fixed in watchOS 10.3, tvOS 17.3, iOS 17.3 and iPadOS 17.3, macOS Sonoma 14.3, iOS 16.7.5 and iPadOS 16.7.5, Safari 17.3. Processing web content may lead to arbitrary code execution