Stack-based buffer overflow in the Community Services Multiplexer (aka MUX or StMux.exe) in IBM Lotus Sametime 7.5.1 CF1 and earlier, and 8.x before 8.0.1, allows remote attackers to execute arbitrary code via a crafted URL.
https://exchange.xforce.ibmcloud.com/vulnerabilities/42575
http://www.zerodayinitiative.com/advisories/ZDI-08-028/
http://www.vupen.com/english/advisories/2008/1595/references
http://www.securitytracker.com/id?1020093
http://www-1.ibm.com/support/docview.wss?rs=463&uid=swg21303920