This update for samba fixes the following issues: The following security vulnerabilities were fixed: - CVE-2018-1139: Disable NTLMv1 auth if smb.conf doesn"t allow it; - CVE-2018-1140: ldbsearch "" and DNS query with escapes crashes; - CVE-2018-10919: Confidential attribute disclosure via substring search; - CVE-2018-10858: smbc_urlencode helper function is a subject to buffer overflow; - CVE-2018-10918: Fix NULL ptr dereference in DsCrackNames on a user without a SPN;