CVE-2006-6811 EXPLOIT
6.5
MEDIUM · CVSS 3.1 · EPSS 10.6% (pctl 96)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 6.5 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| EPSS | 10.57% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-617 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2006-12-29 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| kde | ksirc |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | KsIRC 1.3.12 - 'PRIVMSG' Remote Buffer Overflow (PoC) | 2006-12-26 |
References
- http://osvdb.org/33443
- http://security.gentoo.org/glsa/glsa-200701-26.xml
- http://securitytracker.com/id?1017453
- http://www.addict3d.org/index.php?page=viewarticle&trace=0&type=security&ID=8468
- http://www.kde.org/info/security/advisory-20070109-1.txt
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:009
- http://www.securityfocus.com/archive/1/456379/100/0/threaded
- http://www.securityfocus.com/bid/21790
- http://www.ubuntu.com/usn/usn-409-1
- http://www.vupen.com/english/advisories/2006/5199
- https://exchange.xforce.ibmcloud.com/vulnerabilities/31134
- https://issues.rpath.com/browse/RPL-922
- https://www.exploit-db.com/exploits/3023
- http://osvdb.org/33443
- http://security.gentoo.org/glsa/glsa-200701-26.xml
- http://securitytracker.com/id?1017453
- http://www.addict3d.org/index.php?page=viewarticle&trace=0&type=security&ID=8468
- http://www.kde.org/info/security/advisory-20070109-1.txt
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:009
- http://www.securityfocus.com/archive/1/456379/100/0/threaded
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