This indicates a vulnerability in Norton Antivirus 2002 and 2003. This vulnerability is triggered by scanning a compressed archive that contains a malicious executable nested in over 49647 directories. The vulnerable products consume 100% of the CPU and causes a denial of service.
Symantec Norton AntiVirus 2003 Professional Edition.
Symantec Norton AntiVirus 2002.
Denial of service.
Currently we are not aware of any vendor-supplied patches for this issue.