Vulnerability Report

CVE-2016-2233

Title: Hexchat Project Hexchat Memory Corruption

Memory Corruption

Proof Of Concept

PoC Available for CVE-2016-2233

CWE Category CWE-119

Published Date Jan 18, 2017

Modified Date May 13, 2026

Exploit Status Available

Score 7.5 CVSS v3.0

Exploit Probability (EPSS)

34.89%

Vulnerability Summary

CVE-2016-2233: Stack-based buffer overflow in the inbound_cap_ls function in common/inbound.c in HexChat 2.10.2 allows remote IRC servers to cause a denial of service (crash) via a large number of options in a CAP LS message.

Impacted Vendors

hexchat_project 1

Reference Links

http://packetstormsecurity.com/files/136563/Hexchat-IRC-Client-2.11.0-CAP-LS-Handling-Buffer-Overflow.html http://www.securityfocus.com/bid/95920 https://www.exploit-db.com/exploits/39657/ http://packetstormsecurity.com/files/136563/Hexchat-IRC-Client-2.11.0-CAP-LS-Handling-Buffer-Overflow.html http://www.securityfocus.com/bid/95920 https://www.exploit-db.com/exploits/39657/

CVSS v3.0

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:3.0/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