A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.
https://bugzilla.redhat.com/show_bug.cgi?id=1891685
https://www.samba.org/samba/security/CVE-2020-14323.html
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html
https://security.netapp.com/advisory/ntap-20201103-0001/
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
Source: MITRE
Published: 2020-10-29
Updated: 2022-09-01
Type: CWE-476
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM