source: http://www.securityfocus.com/bid/26516/info

Multiple denial-of-service vulnerabilities affect I Hear U because the application fails to handle specially crafted packets.

An attacker may leverage these issues to cause a remote denial-of-service condition in affected applications.

These issues affect versions prior to I Hear U 0.5.7.

http://www.exploit-db.com/sploits/30791.zip