PowerDNS (aka pdns) Authoritative Server 3.4.4 before 3.4.7 allows remote attackers to cause a denial of service (assertion failure and server crash) via crafted query packets.
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171865.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171976.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172193.html