Vulnerability Report

CVE-2003-1000

Title: xchat passive DCC request null dereference DoS

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2003-1000.

CWE Category CWE-476

Published Date Jan 05, 2004

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 7.5 CVSS v3.1

Exploit Probability (EPSS)

2.55%

Vulnerability Summary

CVE-2003-1000: 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.

Impacted Vendors

xchat 1

Reference Links

http://mail.nl.linux.org/xchat-announce/2003-12/msg00000.html http://marc.info/?l=bugtraq&m=107152093419276&w=2 http://mail.nl.linux.org/xchat-announce/2003-12/msg00000.html http://marc.info/?l=bugtraq&m=107152093419276&w=2

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2003-1000 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 03, 2025 MODIFIED

Vulnerability data or affected products updated.

January 05, 2004 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.