InterScan VirusWall Long HELO Buffer Overflow Vulnerability

Trend Micro has issued a patch for this vulnerability. It is available at:
While it addresses the original issue, it will still allow remote DoS attackes via a 4075-4090 character HELO argument. Trend Micro has released a beta of version 3.4 available at:

Customers who do not want to run beta software are advised to contact their Trend Micro support representative for a downgrade to a non-vulnerable previous version.


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