Samba 4.9.x before 4.9.9 and 4.10.x before 4.10.5 has a NULL pointer dereference, leading to Denial of Service. This is related to the AD DC DNS management server (dnsserver) RPC server process.Referenceshttps://www.samba.org/samba/security/CVE-2019-12435.htmlhttps://usn.ubuntu.com/4018-1/http://www.securityfocus.com/bid/108825https://www.synology.com/security/advisory/Synology_SA_19_27https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQ3LCJNJ3ONHIRKDSKOTT6QGXALLCHVG/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QSG3TLPZP35RH5DWAIDC7MHXRK5DFKOE/http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00023.html
