Multiple buffer overflows in Rhapsody IRC 0.28b allow remote attackers to execute arbitrary code via a (1) long command (2) long server argument to the (a) connect or (b) server commands (3) long nick argument to the (c) nick command or a long (4) nick or (5) message argument to the (d) ctcp (e) chat (f) notice (g) message (msg) or (h) query commands.