$OpenBSD: patch-source_ctcp_c,v 1.1 2003/03/27 15:46:11 brad Exp $
--- source/ctcp.c.orig	Mon Jan  8 01:24:22 2001
+++ source/ctcp.c	Wed Mar 26 23:00:45 2003
@@ -1478,6 +1478,10 @@ extern	void	send_ctcp (int type, char *t
 	     *putbuf2;
 	int len;
 	len = IRCD_BUFFER_SIZE - (12 + strlen(to));
+
+	if (len < strlen(ctcp_cmd[datatag].name) + 3)
+		return;
+
 	putbuf2 = alloca(len);
 
 	if (format)