CVE-2000-0491
Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2000-0491- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2000-0491- Updated
- 2026-11-02
EUVDEUVD-2000-0489 No score
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.
- Record
EUVD-2000-0489- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-26q8-4547-5jf2 No score
Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers...
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.
- Record
GHSA-26q8-4547-5jf2- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | gdm 1.0.x/2.0.x BETA/2.2.0 - XDMCP Buffer Overflow (1) | 2000-05-22 |
| Exploit-DB | gdm 1.0.x/2.0.x BETA/2.2.0 - XDMCP Buffer Overflow (2) | 2000-05-22 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2000-0491 is a high vulnerability (CVSS 10.0) in Gnome Gdm, published May 24, 2000. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 17.8%, the 97th percentile. No source names a fixed version.
References
archives.neohapsis.com/archives/bugtraq/2000-06/0025.html
securityfocus.com/bid/1279
novell.com/linux/security/advisories/suse_security_announce_49.html
nvd.nist.gov/vuln/detail/CVE-2000-0491
github.com/advisories/GHSA-26q8-4547-5jf2