Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to macOS High Sierra 10.13.6.
http://packetstormsecurity.com/files/172831/macOS-NFS-Client-Buffer-Overflow.html
https://support.apple.com/kb/HT208937
https://support.apple.com/kb/HT209193
Source: Mitre, NVD
Published: 2019-04-03
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