Security update for bind

Open Source Vulnerabilities SUSE-SU-2019:2502-1

This update for bind fixes the following issues: Security issues fixed: - CVE-2019-6465: Fixed an issue where controls for zone transfers may not be properly applied to Dynamically Loadable Zones (bsc#1126069). - CVE-2019-6471: Fixed a reachable assert in dispatch.c. (bsc#1138687) - CVE-2018-5745: Fixed a denial of service vulnerability if a trust anchor rolls over to an unsupported key algorithm when using managed-keys (bsc#1126068). - CVE-2018-5743: Fixed a denial of service vulnerability which could be caused by to many simultaneous TCP connections (bsc#1133185). - CVE-2018-5740: Fixed a denial of service vulnerability in the 'deny-answer-aliases' feature (bsc#1104129). Non-security issues fixed: - Don't rely on /etc/insserv.conf anymore for proper dependencies against nss-lookup.target in named.service and lwresd.service (bsc#1118367, bsc#1118368). - Fix FIPS related regression (bsc#1128220).