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Vulnerability record · CVE-2007-2786 · published 21 May 2007

CVE-2007-2786: Ircd-ratbox vulnerability

IIrcd Ratbox · Ircd Ratbox

Ratbox IRC Daemon (aka ircd-ratbox) 2.2.5 and earlier allows remote attackers to cause a denial of service (resource exhaustion) by making many requests from a single client.

5.0 CVSS 2.0 Medium EPSS 1.7% · top 23.6%
5.0CVSS 2.0 base score
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

Ratbox IRC Daemon (aka ircd-ratbox) 2.2.5 and earlier allows remote attackers to cause a denial of service (resource exhaustion) by making many requests from a single client.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.ratbox.org/pipermail/ircd-ratbox/2007-May/000759.html Patch
http://osvdb.org/36238
http://secunia.com/advisories/25332 PatchVendor Advisory
http://www.openpkg.com/security/advisories/OpenPKG-SA-2007.017.html PatchVendor Advisory
http://www.securityfocus.com/bid/24044 Patch
http://www.vupen.com/english/advisories/2007/1890
https://exchange.xforce.ibmcloud.com/vulnerabilities/34368
http://lists.ratbox.org/pipermail/ircd-ratbox/2007-May/000759.html Patch
http://osvdb.org/36238
http://secunia.com/advisories/25332 PatchVendor Advisory
http://www.openpkg.com/security/advisories/OpenPKG-SA-2007.017.html PatchVendor Advisory
http://www.securityfocus.com/bid/24044 Patch
http://www.vupen.com/english/advisories/2007/1890
https://exchange.xforce.ibmcloud.com/vulnerabilities/34368

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

6.8CVE-2009-4016Ircd-hybrid vulnerabilityInteger underflow in the clean_string function in irc_string.c in (1) IRCD-hybrid 7.2.2 and 7.2.3, (2) ircd-ratbox before 2.2.9, and (3) oftc-hybrid …EPSS 4.0%5.0CVE-2012-6084Ircd-ratbox vulnerabilitymodules/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 hands…EPSS 3.0%5.0CVE-2010-0300Ircd-ratbox vulnerabilitycache.c in ircd-ratbox before 2.2.9 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a HELP comma…EPSS 2.2%5.0CVE-2004-0605Ircd-hybrid vulnerabilityNon-registered IRC users using (1) ircd-hybrid 7.0.1 and earlier, (2) ircd-ratbox 1.5.1 and earlier, or (3) ircd-ratbox 2.0rc6 and earlier do not hav…EPSS 7.3%

Source: NIST National Vulnerability Database (record CVE-2007-2786), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.