TI-2003-00906 Aliases CVE-2003-1000 GHSA-8wgp-584r-m465

xchat 2.0.6 allows remote attackers to cause a denial of service (crash) via a passive…

LOW 38CWE-476Published 2003-12-17 · Updated 2024-08-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.

Summary

xchat 2.0.6 allows remote attackers to cause a denial of service (crash) via a passive DCC request with an invalid ID number, which causes a null dereference.

Why it matters now

EPSS 0.02617 85th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:xchat:xchat:2.0.6:::::::*	2.0.6	Vulnerable	xchat

cpe:2.3:a:xchat:xchat:2.0.6:*:*:*:*:*:*:* Versions 2.0.6 Vulnerable ·xchat

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2003-1000
2026-10-03 Alias added: GHSA-8wgp-584r-m465

References

Patch 1

http://mail.nl.linux.org/xchat-announce/2003-12/msg00000.html

Other 1

20031214 GLSA: Malformed dcc send requests in xchat-2.0.6 lead to a denial of service

TI-2012-00764 Out-of-bounds write in Xchat-WDK CVSS 3.1CRITICAL 9.8
TI-2008-02715 Argument injection vulnerability in XChat 2.8.7b and earlier on Windows, when Internet… CVSS 2.0MEDIUM 6.8
TI-2000-00784 IRC Xchat client versions 1.4.2 and earlier allows remote attackers to execute arbitrary… CVSS 2.0HIGH 7.5
TI-2004-00374 Stack-based buffer overflow in the Socks-5 proxy code for XChat 1.8.0 to 2.0.8, with… CVSS 2.0HIGH 7.5
TI-2002-00006 XChat 1.8.7 and earlier, including default configurations of 1.4.2 and 1.4.3, allows… CVSS 2.0HIGH 7.5
TI-2001-00763 Format string vulnerability in XChat 1.2.x allows remote attackers to execute arbitrary code via a malformed nickname. CVSS 2.0HIGH 7.5

See all 11 →

Sources

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