{"id":"CVE-2003-0864","url":"https://www.cyber-defence.io/tools/cve/CVE-2003-0864","generatedAt":"2026-10-27T20:40:21.434Z","title":"Buffer overflow in m_join in channel.c for IRCnet IRCD 2.10.x to 2.10.3p3 allows remote attackers to cause a denial of service.","description":"Buffer overflow in m_join in channel.c for IRCnet IRCD 2.10.x to 2.10.3p3 allows remote attackers to cause a denial of service.","published":"2003-11-17T05:00:00.000Z","lastModified":"2026-06-16T22:03:06.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":[],"affected":["ircnet/ircnet ircd"],"epss":{"score":0.04202,"percentile":0.90891,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2003-10-13","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":23239,"kind":"exploit","title":"IRCnet IRCD 2.10 - Local Buffer Overflow","url":"https://www.exploit-db.com/exploits/23239","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/23239.c","file":"exploits/linux/dos/23239.c","published":"2003-10-13","added":"2003-10-13","updated":"2012-12-09","author":"millhouse","type":"dos","platform":"linux","port":null,"verified":true,"codes":["CVE-2003-0864","OSVDB-11753"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/8817/info"}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 4.2%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"ftp://ftp.irc.org/irc/server/ChangeLog","source":"cve@mitre.org"},{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000765","source":"cve@mitre.org"},{"url":"http://marc.info/?l=bugtraq&m=106606129601446&w=2","source":"cve@mitre.org"},{"url":"http://marc.info/?l=bugtraq&m=106667431021928&w=2","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/8817","tags":["Exploit","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/13408","source":"cve@mitre.org"},{"url":"ftp://ftp.irc.org/irc/server/ChangeLog","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000765","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=106606129601446&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=106667431021928&w=2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/8817","tags":["Exploit","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/13408","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2003-0864","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}