{"id":"CVE-2012-6084","aliases":["DEBIAN-CVE-2012-6084","DSA-2612-1","EUVD-2012-5955","GHSA-c9vw-j5pg-45cc","UBUNTU-CVE-2012-6084"],"status":"published","title":"modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not...","description":"modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not properly support capability negotiation during server handshakes, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03049,"percentile":0.87636,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2013-01-01T15:00:00Z","modified":"2026-06-16T23:47:47Z","fixes":[{"ecosystem":"Debian:6.0","package":"ircd-ratbox","fixed_in":["3.0.6.dfsg-2squeeze1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:6.0","package":"ircd-ratbox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.6.dfsg-2squeeze1"}]}],"versions":["3.0.6.dfsg-2"]}],"products":[{"vendor":"ircd-ratbox","product":"ircd-ratbox"},{"vendor":"ratbox","product":"ircd-ratbox"}],"references":[{"url":"http://rabbit.dereferenced.org/~nenolod/ASA-2012-12-31.txt","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"https://github.com/atheme/charybdis/commit/ac0707aa61d9c20e9b09062294701567c9f41595.patch","tags":["x_refsource_CONFIRM","x_transferred","Patch","report"]},{"url":"http://www.stack.nl/~jilles/irc/charybdis-3.4.2.tbz2","tags":["x_refsource_CONFIRM","x_transferred","Patch","report"]},{"url":"http://openwall.com/lists/oss-security/2013/01/01/4","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","report"]},{"url":"http://www.debian.org/security/2013/dsa-2612","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"http://www.ratbox.org/download/ircd-ratbox-3.0.8.tar.bz2","tags":["x_refsource_CONFIRM","x_transferred","Patch","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-6084"},{"url":"https://github.com/advisories/GHSA-c9vw-j5pg-45cc"},{"url":"https://ubuntu.com/security/CVE-2012-6084","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2013/01/01/1","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2013/01/01/2","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-6084","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2012-6084","description":"modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not properly support capability negotiation during server handshakes, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request.","status":"published","published":"2013-01-01T15:00:00Z","modified":"2024-08-06T21:21:28.354Z","updated_at":"2026-11-02T14:34:51.269982Z"}],"euvd":[{"id":"EUVD-2012-5955","description":"modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not properly support capability negotiation during server handshakes, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request.","status":"published","published":"2013-01-01T15:00:00Z","modified":"2024-08-06T21:21:28Z","updated_at":"2026-11-03T01:56:02.968969Z"}],"ghsa":[{"id":"GHSA-c9vw-j5pg-45cc","title":"modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not...","description":"modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not properly support capability negotiation during server handshakes, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request.","status":"published","published":"2022-05-17T05:15:59Z","modified":"2023-01-28T05:03:38Z","updated_at":"2026-11-02T14:44:01.162268Z"}],"nvd":[{"id":"CVE-2012-6084","description":"modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not properly support capability negotiation during server handshakes, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request.","status":"published","published":"2013-01-01T15:55:02.007Z","modified":"2026-06-16T23:47:47.72Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:16.958223Z"}],"osv":[{"id":"DSA-2612-1","title":"ircd-ratbox - programming error","status":"published","published":"2013-01-24T00:00:00Z","modified":"2026-03-09T01:22:55.59856Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"UBUNTU-CVE-2012-6084","description":"modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not properly support capability negotiation during server handshakes, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request.","status":"withdrawn","published":"2013-01-01T15:55:00Z","modified":"2025-07-16T07:31:03.931216Z","updated_at":"2026-11-02T15:54:06.854805Z"}]}}