A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to macOS Mojave 10.14.

A validation issue was addressed with improved input sanitization. This issue affected versions prior to iOS 12, macOS Mojave 10.14.

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

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

In iOS before 11.4, a memory corruption issue exists and was addressed with improved memory handling.

Clearing a history item may not clear visits with redirect chains. The issue was addressed with improved data deletion. This issue affected versions prior to iOS 12, Safari 12.