Buffer overflow in the AOL Instant Messenger (AIM) protocol handler in AIM.DLL in Cerulean Studios Trillian allows remote attackers to execute arbitrary code via a malformed aim: URI, as demonstrated by a long URI beginning with the aim:///#1111111/ substring.
https://exchange.xforce.ibmcloud.com/vulnerabilities/35447
http://www.xs-sniper.com/nmcfeters/Cross-App-Scripting-2.html
http://www.vupen.com/english/advisories/2007/2546
http://www.securityfocus.com/bid/24927
http://www.kb.cert.org/vuls/id/786920
http://secunia.com/advisories/26086
http://archives.neohapsis.com/archives/fulldisclosure/2007-07/0356.html