CVE-2000-0491

High CVSS 10

Published 2000-05-24 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-2000-0491, 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

Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers to execute arbitrary commands or cause a denial of service via a long FORWARD_QUERY request.

Sources

NVD record for CVE-2000-0491

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