CVE-2006-4455

xchat < 2.6.7 - Denial of Service via PRIVMSG Command

Title source: llm

Exploitation Summary

EIP tracks 2 public exploits for CVE-2006-4455. PoCs published by Elo, ratboy.

AI-analyzed exploit summary This Perl script exploits CVE-2006-4455 by sending a malicious payload via IRC to a target victim. The payload is designed to trigger a buffer overflow in the target software.

Description

Unspecified vulnerability in Xchat 2.6.7 and earlier allows remote attackers to cause a denial of service (crash) via unspecified vectors involving the PRIVMSG command. NOTE: the vendor has disputed this vulnerability, stating that it does not affect 2.6.7 "or any recent version"

Exploits (2)

exploitdb WORKING POC VERIFIED

by Elo · perldoswindows

https://www.exploit-db.com/exploits/2147

View Code ZIP pw:eip

This Perl script exploits CVE-2006-4455 by sending a malicious payload via IRC to a target victim. The payload is designed to trigger a buffer overflow in the target software.

Classification

Working Poc 90%

Attack Type

Rce

Complexity

Trivial

Reliability

Reliable

Target: Unknown (likely an IRC client or server vulnerable to buffer overflow)

No auth needed

Prerequisites: IRC server details · Target victim's IRC nickname

MITRE ATT&CK

T1190 - Exploit Public-Facing Application

devstral-2 · analyzed Feb 16, 2026 Full analysis →

exploitdb WORKING POC VERIFIED

by ratboy · phpdoswindows

https://www.exploit-db.com/exploits/2124

View Code ZIP pw:eip

This exploit targets XChat <= 2.6.7 on Windows, causing a remote crash (DoS) by sending a malformed PRIVMSG containing a specific byte sequence. The script connects to an IRC server, joins a channel, and sends the exploit payload to a specified victim upon receiving any PRIVMSG.