Race condition in the Symantec Enterprise Security Manager (ESM) 6.5.3 managers and agents on Windows before 20070524 allows remote attackers to cause a denial of service (CPU consumption and application hang) via certain network scans to ESM ports. The vendor has released an update addressing this issue:
Symantec Enterprise Security Manager 6.5.3
Symantec Mini Update Package.zip
http://www.symantec.com/avcenter/security/ESM/esmPU/Mini Update Package.zip
Publication date: Wed, 30 May 2007 06:30:00 +0000