iPhone OS < 11.3, macOS < 10.13.4, tvOS < 11.3, watchOS < 4.3 - Information Disclosure via State Transition
In iOS before 11.3, tvOS before 11.3, watchOS before 4.3, and macOS before High Sierra 10.13.4, an information disclosure issue existed in the transition of program state. This issue was addressed with improved state handling.