CVE-1999-0393

Medium CVSS 5

Published 1999-01-01 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-0393, 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

Remote attackers can cause a denial of service in Sendmail 8.8.x and 8.9.2 by sending messages with a large number of headers.

Sources

NVD record for CVE-1999-0393

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