This indicates a possible attempt to exploit one of several buffer overflow vulnerabilities in AOL Winamp.
The vulnerabilities result from the application's failure to bounds check user supplied input, leading to various buffer overflows. As a result a remote attacker may be able to execute arbitrary code and gain control of vulnerable systems.
NullSoft Winamp 5.24
NullSoft Winamp 5.3
System Compromise: remote code execution.
Upgrade to NullSoft Winamp 5.31.