The issue was addressed with improved validation on the FaceTime server. This issue is fixed in macOS Mojave 10.14.3 Supplemental Update, iOS 12.1.4. A thorough security audit of the FaceTime service uncovered an issue with Live Photos .
https://support.apple.com/en-us/HT209521
https://support.apple.com/en-us/HT209520
Source: Mitre, NVD
Published: 2020-10-27
Updated: 2020-10-30
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical