All versions of Samba from 4.0.0 onwards are vulnerable to a denial of service attack when the RPC spoolss service is configured to be run as an external daemon. Missing input sanitization checks on some of the input parameters to spoolss RPC calls could cause the print spooler service to crash.
http://www.securityfocus.com/bid/103387
http://www.securitytracker.com/id/1040493
https://access.redhat.com/errata/RHSA-2018:1860
https://access.redhat.com/errata/RHSA-2018:1883
https://access.redhat.com/errata/RHSA-2018:2612
https://access.redhat.com/errata/RHSA-2018:2613
https://access.redhat.com/errata/RHSA-2018:3056
https://bugzilla.redhat.com/show_bug.cgi?id=1538771
https://lists.debian.org/debian-lts-announce/2018/03/msg00024.html
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html
https://security.gentoo.org/glsa/201805-07
https://security.netapp.com/advisory/ntap-20180313-0001/
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03834en_us
https://usn.ubuntu.com/3595-1/
https://usn.ubuntu.com/3595-2/
Source: MITRE
Published: 2018-03-13
Updated: 2020-12-04
Type: CWE-476
Base Score: 3.3
Vector: AV:A/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 6.5
Severity: LOW
Base Score: 4.3
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Impact Score: 1.4
Exploitability Score: 2.8
Severity: MEDIUM