A missing input sanitization flaw was found in the implementation of LDP database used for the LDAP server. An attacker could use this flaw to cause a denial of service against a samba server, used as a Active Directory Domain Controller. All versions of Samba from 4.8.0 onwards are vulnerable
https://www.samba.org/samba/security/CVE-2018-1140.html
https://security.netapp.com/advisory/ntap-20180814-0001/
https://security.gentoo.org/glsa/202003-52
https://bugzilla.samba.org/show_bug.cgi?id=13374