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TI-2000-00491 Aliases CVE-2000-0491GHSA-26q8-4547-5jf2

Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote…

Priority MEDIUM 60Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.17776 97th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:gnome:gdm:1.0:*:*:*:*:*:*:*1.0VulnerableGNOME
cpe:2.3:o:caldera:openlinux:*:*:*:*:*:*:*:*all versionsVulnerableCaldera
cpe:2.3:o:suse:suse_linux:6.2:*:*:*:*:*:*:*6.2VulnerableSUSE
cpe:2.3:o:suse:suse_linux:6.4:*:*:*:*:*:*:*6.4VulnerableSUSE
  • cpe:2.3:a:gnome:gdm:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·GNOME
  • cpe:2.3:o:caldera:openlinux:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Caldera
  • cpe:2.3:o:suse:suse_linux:6.2:*:*:*:*:*:*:* Versions 6.2 Vulnerable ·SUSE
  • cpe:2.3:o:suse:suse_linux:6.4:*:*:*:*:*:*:* Versions 6.4 Vulnerable ·SUSE

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2000-0491
  2. 2026-10-03 Alias added: GHSA-26q8-4547-5jf2

References

Advisory 1

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences