CVE-1999-1521

High CVSS 10

Published 1999-09-12 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-1521, 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

Computalynx CMail 2.4 and CMail 2.3 SP2 SMTP servers are vulnerable to a buffer overflow attack in the MAIL FROM command that may allow a remote attacker to execute arbitrary code on the server.

Sources

NVD record for CVE-1999-1521

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