Stack-based buffer overflow in Orbit downloader 2.6.3 and 2.6.4 allows remote attackers to execute arbitrary code via a long download URL, which is not properly handled during Unicode conversion for a balloon notification after a download has failed.
https://exchange.xforce.ibmcloud.com/vulnerabilities/41649
http://www.vupen.com/english/advisories/2008/1101
http://www.securityfocus.com/bid/28541
http://www.securityfocus.com/archive/1/490458/100/0/threaded