CVE-2012-6084
MEDIUM · CVSS 5.0EPSS 3.0%EU EUVD
modules/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 handshakes, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- EPSS score
- 3.0% (88th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-5955)
- Published
- January 1, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-5955 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
- ircd-ratbox / ircd-ratbox
and 2 more…
References
- http://openwall.com/lists/oss-security/2013/01/01/4(Patch)
- http://rabbit.dereferenced.org/~nenolod/ASA-2012-12-31.txt
- http://www.debian.org/security/2013/dsa-2612
- http://www.ratbox.org/download/ircd-ratbox-3.0.8.tar.bz2(Patch)
- http://www.stack.nl/~jilles/irc/charybdis-3.4.2.tbz2(Patch)
- https://github.com/atheme/charybdis/commit/ac0707aa61d9c20e9b09062294701567c9f41595.patch(Patch)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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