A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. A remote attacker may be able to cause arbitrary code execution.Referenceshttps://support.apple.com/HT210353https://support.apple.com/HT210346https://support.apple.com/HT210348https://support.apple.com/HT210351
