CVE-1999-1109

Medium CVSS 5

Published 1999-12-22 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-1109, 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

Sendmail before 8.10.0 allows remote attackers to cause a denial of service by sending a series of ETRN commands then disconnecting from the server, while Sendmail continues to process the commands after the connection has been terminated.

Sources

NVD record for CVE-1999-1109

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