A logic issue was addressed with improved state management. This issue affected versions prior to iOS 12.1.

A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1, watchOS 5.1.

A memory corruption issue was addressed with improved state management. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

A resource exhaustion issue was addressed with improved input validation. This issue is fixed in tvOS 12.1, iOS 12.1. Processing a maliciously crafted message may lead to a denial of service.

A lock screen issue allowed access to photos and contacts on a locked device. This issue was addressed by restricting options offered on a locked device. This issue affected versions prior to iOS 12.0.1.