diff --git a/engine/common/net_ice.c b/engine/common/net_ice.c
index 750db26dd..50999ac40 100644
--- a/engine/common/net_ice.c
+++ b/engine/common/net_ice.c
@@ -3534,7 +3534,7 @@ static void SCTP_Decode(sctp_t *sctp, struct icestate_s *peer, ftenet_connection
 	while ((qbyte*)(c+1) <= msgend)
 	{
 		clen = BigShort(c->length);
-		if ((qbyte*)c + clen > msgend)
+		if ((qbyte*)c + clen > msgend || clen < sizeof(*c))
 			break;	//corrupt
 		safeswitch(c->type)
 		{
@@ -3587,7 +3587,7 @@ static void SCTP_Decode(sctp_t *sctp, struct icestate_s *peer, ftenet_connection
 						if (adv > sctp->i.htsn)	//weird maths in case it wraps.
 							sctp->i.htsn = adv;
 						sctp->i.r.tsn++;
-						if (sctp->i.r.size + clen-sizeof(*dc) > sizeof(sctp->i.r.buf))
+						if (sctp->i.r.size + dlen > sizeof(sctp->i.r.buf))
 						{
 							if (net_ice_debug.ival >= 2)
 								Con_Printf(S_COLOR_GRAY"[%s]: SCTP: Oversized\n", peer->friendlyname);
diff --git a/engine/qclib/qcc_pr_lex.c b/engine/qclib/qcc_pr_lex.c
index 49359ccee..d6d781624 100644
--- a/engine/qclib/qcc_pr_lex.c
+++ b/engine/qclib/qcc_pr_lex.c
@@ -5826,11 +5826,13 @@ QCC_type_t *QCC_PR_ParseType (int newtype, pbool silentfail)
 					//swap the class out for the appropriate function type...
 					newparm = QCC_PR_GenFunctionType(type_void, basetype->params, basetype->num_parms);
 					parmname = classname;
+					arraysize = 0;
 				}
 				else if (!flag_qcfuncs && basetype == newt && QCC_PR_CheckToken("("))
 				{
 					newparm = QCC_PR_ParseFunctionType(false, type_void);
 					parmname = classname;
+					arraysize = 0;
 				}
 				else
 				{
diff --git a/engine/server/net_preparse.c b/engine/server/net_preparse.c
index 86fb89601..956617c67 100644
--- a/engine/server/net_preparse.c
+++ b/engine/server/net_preparse.c
@@ -835,6 +835,7 @@ void NPP_NQFlush(void)
 		break;
 
 	case svcfte_cgamepacket:
+		requireextension = PEXT_CSQC;
 		if (sv_csqcdebug.ival || writedest != &sv.multicast)
 		{
 			if (writedest != &sv.multicast)
@@ -1919,6 +1920,7 @@ void NPP_QWFlush(void)
 
 		break;
 	case svcfte_cgamepacket:
+		requireextension = PEXT_CSQC;
 		if (sv_csqcdebug.ival || writedest != &sv.nqmulticast)
 		{
 			if (writedest != &sv.nqmulticast)
diff --git a/engine/server/sv_ccmds.c b/engine/server/sv_ccmds.c
index 47f419fe7..a85fc3a4b 100644
--- a/engine/server/sv_ccmds.c
+++ b/engine/server/sv_ccmds.c
@@ -3268,6 +3268,11 @@ void SV_PrecacheList_f(void)
 {
 	unsigned int i;
 	char *group = Cmd_Argv(1);
+	if (sv.state != ss_active)
+	{
+		Con_Printf("Server is not active.\n");
+		return;
+	}
 #ifdef HAVE_LEGACY
 	if (!*group || !strncmp(group, "vwep", 4))
 	{