RealNetworks RealPlayer version 11 suffers from multiple code execution vulnerabilities when processing IVR files.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/74738/FGA-2009-04.txt
Source: https://packetstormsecurity.com/files/74738/RealPlayer-IVR-File-Code-Execution.html