6ccfd1
--- libwmf-0.2.8.4/src/extra/gd/gd_png.c	2004-11-11 14:02:37.407589824 -0500
6ccfd1
+++ libwmf-0.2.8.4/src/extra/gd/gd_png.c	2004-11-11 14:04:29.672522960 -0500
6ccfd1
@@ -188,6 +188,14 @@
6ccfd1
 
6ccfd1
   png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
6ccfd1
 		&interlace_type, NULL, NULL);
6ccfd1
+  if (overflow2(sizeof (int), width)) 
6ccfd1
+    {
6ccfd1
+      return NULL;
6ccfd1
+    }
6ccfd1
+  if (overflow2(sizeof (int) * width, height)) 
6ccfd1
+    {
6ccfd1
+      return NULL;
6ccfd1
+    }  
6ccfd1
   if ((color_type == PNG_COLOR_TYPE_RGB) ||
6ccfd1
       (color_type == PNG_COLOR_TYPE_RGB_ALPHA))
6ccfd1
     {