CVE-2019-12435: Samba AD DC Denial of Service in DNS management server ¶ The dnsserver RPC pipe provides administrative facilities to modify DNS records and zones. An authenticated user can crash the RPC server process via a NULL pointer de-reference. There is no further vulnerability associated with this issue, merely a denial of service. Affected Versions:¶ Samba 4.9 and 4.10 Fixed In Version:¶ Samba 4.9.9 and 4.10.5