A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.1, macOS Mojave 10.14.2, tvOS 12.1.1, watchOS 5.1.2.
https://support.apple.com/kb/HT209343
https://support.apple.com/kb/HT209342
https://support.apple.com/kb/HT209341
https://support.apple.com/kb/HT209340
Source: Mitre, NVD
Published: 2019-04-03
Updated: 2019-04-05
Base Score: 9.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H