From a77d1ff9d3b6af27ea5dae235f0ed74c0b256c47 Mon Sep 17 00:00:00 2001
From: Thomas Bernard <miniupnp@free.fr>
Date: Sat, 24 Aug 2019 10:54:46 +0200
Subject: [PATCH] iptcrdr.c: memory allocation fix in
 get_portmappings_in_range()

fixes #394
---
 netfilter/iptcrdr.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/netfilter/iptcrdr.c
+++ b/netfilter/iptcrdr.c
@@ -1,6 +1,6 @@
-/* $Id: iptcrdr.c,v 1.59 2016/03/08 09:23:52 nanard Exp $ */
+/* $Id: iptcrdr.c,v 1.62 2019/08/24 07:06:22 nanard Exp $ */
 /* MiniUPnP project
- * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
+ * http://miniupnp.free.fr/ or https://miniupnp.tuxfamily.org/
  * (c) 2006-2019 Thomas Bernard
  * This software is subject to the conditions detailed
  * in the LICENCE file provided within the distribution */
@@ -1553,6 +1553,9 @@ get_portmappings_in_range(unsigned short
 					{
 						unsigned short * tmp;
 						/* need to increase the capacity of the array */
+						capacity += 128;
+						if (capacity <= *number)
+							capacity = *number + 1;
 						tmp = realloc(array, sizeof(unsigned short)*capacity);
 						if(!tmp)
 						{