A denial of service issue was addressed with improved validation. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, tvOS 12.1, watchOS 5.1.
https://support.apple.com/kb/HT209195
https://support.apple.com/kb/HT209194
https://support.apple.com/kb/HT209193
https://support.apple.com/kb/HT209192
Source: Mitre, NVD
Published: 2019-04-03
Updated: 2019-04-05
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H