A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15 iOS 13 iCloud for Windows 10.7 macOS Catalina 10.15.1 Security Update 2019-001 and Security Update 2019-006 iCloud for Windows 7.14 iTunes 12.10.1 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.