The CORBA::ORBInvokeRec::set_answer_invoke function in orb.cc in MICO (Mico Is CORBA) 2.3.12 and earlier allows remote attackers to cause a denial of service (application crash) via a message with an incorrect "object key", which triggers an assert error.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27686
http://www.vupen.com/english/advisories/2006/2709
http://www.securityfocus.com/bid/18869
http://www.securityfocus.com/archive/1/439655/100/0/threaded
http://www.securityfocus.com/archive/1/439606
http://www.securityfocus.com/archive/1/439439/100/0/threaded
http://securityreason.com/securityalert/1210
http://secunia.com/advisories/20970
http://lists.grok.org.uk/pipermail/full-disclosure/2006-July/047708.html