An out-of-bounds read was addressed with improved input validation. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, tvOS 12.1, watchOS 5.1.Referenceshttps://support.apple.com/kb/HT209193https://support.apple.com/kb/HT209192https://support.apple.com/kb/HT209195https://support.apple.com/kb/HT209194
