A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.
https://support.apple.com/kb/HT209139
https://support.apple.com/kb/HT209108
https://support.apple.com/kb/HT209107
https://support.apple.com/kb/HT209106
Source: Mitre, NVD
Published: 2019-04-03
Updated: 2019-04-04
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H