A memory initialization issue was addressed with improved memory handling. This issue is fixed in iTunes 12.11.3 for Windows Security Update 2021-002 Catalina Security Update 2021-003 Mojave iCloud for Windows 12.3 macOS Big Sur 11.3 watchOS 7.4 tvOS 14.5 iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may disclose sensitive user information.