{"id":"CVE-2009-4652","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-4652","generatedAt":"2026-10-27T18:40:23.234Z","title":"The (1) Conn_GetCipherInfo and (2) Conn_UsesSSL functions in src/ngircd/conn.c in ngIRCd 13 and 14, when SSL/TLS support is present and standalone mode is disabled, allow remote attackers to cause a denial of service (application crash) by sending the…","description":"The (1) Conn_GetCipherInfo and (2) Conn_UsesSSL functions in src/ngircd/conn.c in ngIRCd 13 and 14, when SSL/TLS support is present and standalone mode is disabled, allow remote attackers to cause a denial of service (application crash) by sending the MOTD command from another server in the same IRC network, possibly related to an array index error.","published":"2010-02-26T18:30:00.000Z","lastModified":"2026-06-16T23:14:06.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":2.6,"severity":"LOW","vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P"},"cwe":[],"affected":["ngircd/ngircd"],"epss":{"score":0.01589,"percentile":0.75466,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.59%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=blobdiff%3Bf=src/ngircd/conn.c%3Bh=c6095a31c613bc5ca127d55b8723e15b836f1cca%3Bhp=9752a6191c7e2da5b0df64779e9cc28ad1e6241c%3Bhb=627b0b713c52406e50c84bb9459e7794262920a2%3Bhpb=95428a72ffb5214826b61d5e77f860e7ef6a6c9e","source":"cve@mitre.org"},{"url":"http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=commit%3Bh=627b0b713c52406e50c84bb9459e7794262920a2","source":"cve@mitre.org"},{"url":"http://ngircd.barton.de/doc/ChangeLog","source":"cve@mitre.org"},{"url":"http://ngircd.barton.de/doc/NEWS","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/37343","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/37021","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2009/3240","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/54272","source":"cve@mitre.org"},{"url":"http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=blobdiff%3Bf=src/ngircd/conn.c%3Bh=c6095a31c613bc5ca127d55b8723e15b836f1cca%3Bhp=9752a6191c7e2da5b0df64779e9cc28ad1e6241c%3Bhb=627b0b713c52406e50c84bb9459e7794262920a2%3Bhpb=95428a72ffb5214826b61d5e77f860e7ef6a6c9e","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=commit%3Bh=627b0b713c52406e50c84bb9459e7794262920a2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://ngircd.barton.de/doc/ChangeLog","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://ngircd.barton.de/doc/NEWS","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/37343","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/37021","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2009/3240","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/54272","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-4652","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."}