A race condition was addressed with additional validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4. A malicious application may be able to gain root privileges.
https://support.apple.com/HT209600
https://support.apple.com/HT209599
Source: Mitre, NVD
Published: 2019-12-18
Updated: 2019-12-20
Base Score: 7.6
Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 7
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H