In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access restrictions.
https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html
https://security.gentoo.org/glsa/201908-08
https://support.apple.com/HT208849
Source: MITRE
Published: 2019-01-11
Updated: 2019-10-03
Type: NVD-CWE-noinfo
Base Score: 4.6
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH