A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.1.4, macOS Mojave 10.14.3 Supplemental Update. An application may be able to gain elevated privileges.Referenceshttps://support.apple.com/HT209601https://support.apple.com/HT209602https://support.apple.com/HT209520https://support.apple.com/HT209521
