CVE-1999-0284

High CVSS 7.5

Published 1998-01-01 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-0284, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Denial of service to NT mail servers including Ipswitch, Mdaemon, and Exchange through a buffer overflow in the SMTP HELO command.

Sources

NVD record for CVE-1999-0284

CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P