ircu 2.10.12.01 allows remote attackers to (1) cause a denial of service (flood wallops) by joining two channels with certain long names that differ in the final character, which triggers a protocol violation and (2) cause a denial of service (daemon crash) via a “J 0:#channel” message on a channel without an apass; and (3) allows remote authenticated operators to cause a denial of service (daemon crash) via a remote “names -D” command.
osvdb.org/46710
osvdb.org/46711
osvdb.org/46712
securityreason.com/securityalert/3031
www.securityfocus.com/archive/1/476285/100/0/threaded
www.securityfocus.com/bid/25285
exchange.xforce.ibmcloud.com/vulnerabilities/35984
exchange.xforce.ibmcloud.com/vulnerabilities/35986
exchange.xforce.ibmcloud.com/vulnerabilities/35987