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
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[oss-security] 20130101 Re: Charybdis: Improper assumptions in the server handshake code may lead to a remote crash
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