The parseIrcUrl function in src/kvirc/kernel/kvi_ircurl.cpp in KVIrc 3.2.0 allows user-assisted remote attackers to execute arbitrary commands via shell metacharacters in an (1) irc:// or (2) irc6:// URI.
https://svn.kvirc.de/kvirc/changeset/630/#file3
https://exchange.xforce.ibmcloud.com/vulnerabilities/35087
http://www.vupen.com/english/advisories/2007/2334
http://www.securityfocus.com/bid/24652
http://www.securityfocus.com/archive/1/472441/100/0/threaded
http://www.novell.com/linux/security/advisories/2007_15_sr.html
http://security.gentoo.org/glsa/glsa-200709-02.xml
http://secunia.com/secunia_research/2007-56/advisory/
http://secunia.com/advisories/26813