{"cve":"CVE-2006-6811","nvd":{"published":"2006-12-29T11:28:00.000","modified":"2026-06-16T22:33:51.187","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-617"],"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"],"products":["canonical:ubuntu_linux","kde:ksirc"],"source":"nvd","synced_at":"2026-10-19T19:44:49.019236172+00:00"},"epss":{"cve":"CVE-2006-6811","score":0.10568,"percentile":0.9578,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}