{"id":"CVE-2006-6811","aliases":["EUVD-2006-6794","GHSA-rvgj-fpwg-2m28"],"status":"published","title":"KsIRC 1.3.12 allows remote attackers to cause a denial of service (crash) via a long PRIVMSG...","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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.10568,"percentile":0.95813,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-617"],"published":"2006-12-29T11:00:00Z","modified":"2026-06-16T22:33:51Z","exploits":[{"source":"exploitdb","id":"EDB-3023","title":"KsIRC 1.3.12 - 'PRIVMSG' Remote Buffer Overflow (PoC)","type":"dos","platform":"linux","date":"2006-12-26","verified":true,"url":"https://www.exploit-db.com/exploits/3023"}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"kde","product":"ksirc"}],"references":[{"url":"http://www.ubuntu.com/usn/usn-409-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory"]},{"url":"https://issues.rpath.com/browse/RPL-922","tags":["x_refsource_CONFIRM","x_transferred","Broken Link"]},{"url":"https://www.exploit-db.com/exploits/3023","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.vupen.com/english/advisories/2006/5199","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Broken Link"]},{"url":"http://www.securityfocus.com/archive/1/456379/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/21790","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2007:009","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","Broken Link"]},{"url":"http://www.kde.org/info/security/advisory-20070109-1.txt","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/31134","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://osvdb.org/33443","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Broken Link"]},{"url":"http://securitytracker.com/id?1017453","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://www.addict3d.org/index.php?page=viewarticle\u0026trace=0\u0026type=security\u0026ID=8468","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"http://security.gentoo.org/glsa/glsa-200701-26.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-6811"},{"url":"https://github.com/advisories/GHSA-rvgj-fpwg-2m28"}],"sources":{"cve":[{"id":"CVE-2006-6811","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.","status":"published","published":"2006-12-29T11:00:00Z","modified":"2024-08-07T20:42:07.123Z","updated_at":"2026-11-02T14:33:50.024504Z"}],"euvd":[{"id":"EUVD-2006-6794","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.","status":"published","published":"2006-12-29T11:00:00Z","modified":"2024-08-07T20:42:07Z","updated_at":"2026-11-03T01:15:41.953215Z"}],"ghsa":[{"id":"GHSA-rvgj-fpwg-2m28","title":"KsIRC 1.3.12 allows remote attackers to cause a denial of service (crash) via a long PRIVMSG...","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.","status":"published","published":"2022-05-01T07:41:49Z","modified":"2024-02-08T03:32:44Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:55:34.118086Z"}],"nvd":[{"id":"CVE-2006-6811","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.","status":"published","published":"2006-12-29T11:28:00Z","modified":"2026-06-16T22:33:51.187Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:01:10.726159Z"}]}}