CVE-2006-6811
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…
- 6.5MediumCVSS base score
- 10.6%Exploitation in 30 daysEPSS · top 4.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- KsIRC 1.3.12 - 'PRIVMSG' Remote Buffer Overflow (PoC) (Exploit-DB entry) (opens in a new tab)
EDB-ID 3023dos, linuxpublished 26 Dec 2006Verified
References tagged exploit1 reference
- 3023 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 18 years later
· 18 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 10.6% · top 4.2% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
n/a
- affected n/a
References
References13
- USN-409-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://issues.rpath.com/browse/RPL-922 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 3023 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- ADV-2006-5199 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 20070109 [KDE Security Advisory] ksirc Denial of Service vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 21790 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- MDKSA-2007:009 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- http://www.kde.org/info/security/advisory-20070109-1.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- ksirc-privmsg-bo(31134) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 33443 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 1017453 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://www.addict3d.org/index.php?page=viewarticle&trace=0&type=security&ID=8468 (opens in a new tab)x_refsource_MISCx_transferred
- GLSA-200701-26 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2006-6794 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2006-6811)Record last updated .