Unrated severityNVD Advisory· Published Oct 1, 2013· Updated Jun 16, 2026
CVE-2013-5580
CVE-2013-5580
Description
The (1) Conn_StartLogin and (2) cb_Read_Resolver_Result functions in conn.c in ngIRCd 18 through 20.2, when the configuration option NoticeAuth is enabled, does not properly handle the return code for the Handle_Write function, which allows remote attackers to cause a denial of service (assertion failure and server crash) via unspecified vectors, related to a "notice auth" message not being sent to a new client.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7cpe:2.3:a:barton:ngircd:18.0:*:*:*:*:*:*:*+ 6 more
- cpe:2.3:a:barton:ngircd:18.0:*:*:*:*:*:*:*
- cpe:2.3:a:barton:ngircd:19.0:*:*:*:*:*:*:*
- cpe:2.3:a:barton:ngircd:19.1:*:*:*:*:*:*:*
- cpe:2.3:a:barton:ngircd:20.0:*:*:*:*:*:*:*
- cpe:2.3:a:barton:ngircd:20.1:*:*:*:*:*:*:*
- cpe:2.3:a:barton:ngircd:20.2:*:*:*:*:*:*:*
- (no CPE)range: 18 through 20.2
Patches
Vulnerability mechanics
References
7- freecode.com/projects/ngircd/releases/357245nvdPatch
- secunia.com/advisories/54567nvdVendor Advisory
- arthur.barton.de/cgi-bin/gitweb.cginvd
- arthur.barton.de/pipermail/ngircd-ml/2013-August/000645.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2013-September/115047.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2013-September/115077.htmlnvd
- osvdb.org/96590nvd
News mentions
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