CVE-2009-4652
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…
Does this matter?
Lower severity and a low EPSS score (1.59%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 2.6 LOWAV:N/AC:H/Au:N/C:N/I:N/A:P
- EPSS
- 1.59% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- ngircd/ngircd
- Source
- cve@mitre.org
EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- 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
- http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=commit%3Bh=627b0b713c52406e50c84bb9459e7794262920a2
- http://ngircd.barton.de/doc/ChangeLog
- http://ngircd.barton.de/doc/NEWSVendor Advisory
- http://secunia.com/advisories/37343Vendor Advisory
- http://www.securityfocus.com/bid/37021Exploit
- http://www.vupen.com/english/advisories/2009/3240Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/54272
- 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
- http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=commit%3Bh=627b0b713c52406e50c84bb9459e7794262920a2
- http://ngircd.barton.de/doc/ChangeLog
- http://ngircd.barton.de/doc/NEWSVendor Advisory
- http://secunia.com/advisories/37343Vendor Advisory
- http://www.securityfocus.com/bid/37021Exploit
- http://www.vupen.com/english/advisories/2009/3240Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/54272
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.