Client.cpp in ZNC 0.092 allows remote attackers to cause a denial of service (exception and daemon crash) via a PING command that lacks an argument.
lists.fedoraproject.org/pipermail/package-announce/2010-August/045385.html
lists.fedoraproject.org/pipermail/package-announce/2010-August/045386.html
marc.info/?l=oss-security&m=128146120727810&w=2
marc.info/?l=oss-security&m=128146352011964&w=2
marc.info/?l=oss-security&m=128152390219401&w=2
secunia.com/advisories/40919
secunia.com/advisories/40970
www.securityfocus.com/bid/42314
www.vupen.com/english/advisories/2010/2071
znc.svn.sourceforge.net/viewvc/znc/trunk/Client.cpp?r1=2093&r2=2092&pathrev=2093
znc.svn.sourceforge.net/viewvc/znc?view=revision&revision=2093
bugzilla.redhat.com/show_bug.cgi?id=622600