CVE-2006-6811

medium

Description

KsIRC 1.3.12 allows remote attackers to cause a denial of service (crash) via a long PRIVMSG string when connecting to an Internet Relay Chat (IRC) server, which causes an assertion failure and results in a NULL pointer dereference. NOTE: this issue was originally reported as a buffer overflow.

References

Advisories
More

https://exchange.xforce.ibmcloud.com/vulnerabilities/31134

http://www.ubuntu.com/usn/usn-409-1

http://www.kde.org/info/security/advisory-20070109-1.txt

http://security.gentoo.org/glsa/glsa-200701-26.xml

https://www.exploit-db.com/exploits/3023

https://issues.rpath.com/browse/RPL-922

https://euvd.enisa.europa.eu/vulnerability/EUVD-2006-6794

http://www.vupen.com/english/advisories/2006/5199

http://www.securityfocus.com/bid/21790

http://www.securityfocus.com/archive/1/456379/100/0/threaded

http://www.mandriva.com/security/advisories?name=MDKSA-2007:009

http://www.addict3d.org/index.php?page=viewarticle&trace=0&type=security&ID=8468

http://securitytracker.com/id?1017453

http://osvdb.org/33443

Details

Source: Mitre, NVD

Published: 2006-12-29

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

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

Severity: Medium

EPSS

EPSS: 0.10568