Supplemental update provides important security updates and is recommended for all users.

In this update:
• FaceTime
Available for: macOS Mojave 10.14.3
Impact: The initiator of a Group FaceTime call may be able to cause the recipient to answer
Description: A logic issue existed in the handling of Group FaceTime calls. The issue was addressed with improved state management.
CVE-2019-6223: Grant Thompson of Catalina Foothills High School, Daven Morris of Arlington, TX

• Foundation
Available for: macOS Mojave 10.14.3
Impact: An application may be able to gain elevated privileges
Description: A memory corruption issue was addressed with improved input validation.
CVE-2019-7286: an anonymous researcher, Clement Lecigne of Google Threat Analysis Group, Ian Beer of Google Project Zero, and Samuel Groß of Google Project Zero

• Live Photos in FaceTime
Available for: macOS Mojave 10.14.3
Impact: A thorough security audit of the FaceTime service uncovered an issue with Live Photos
Description: The issue was addressed with improved validation on the FaceTime server.
CVE-2019-7288: Apple

For detailed information about the security content of this update, please visit: https://support.apple.com/en-us/HT209521

Requirements:
OS X 10.14.3+