Deadwood before 2.3.09, 3.x before 3.2.05, and as used in MaraDNS before 1.4.14 and 2.x before 2.0.09, allow remote attackers to cause a denial of service (out-of-bounds read and crash) by leveraging permission to perform recursive queries against Deadwood, related to a logic error.
https://exchange.xforce.ibmcloud.com/vulnerabilities/91203
https://bugzilla.redhat.com/show_bug.cgi?id=1066609
http://www.securitytracker.com/id/1029771