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 .
[
{
"product": "iOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "12.1",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "macOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "10.14",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]