--- gd-2.0.33/gd_png.c.orig	2004-10-28 22:09:52 +0400

+++ gd-2.0.33/gd_png.c	2004-11-12 16:31:49 +0300

@@ -188,6 +188,14 @@

   png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,

 		&interlace_type, NULL, NULL);

+  if (overflow2(sizeof (int), width)) 

+    {

+      return NULL;

+    }

+  if (overflow2(sizeof (int) * width, height)) 

+    {

+      return NULL;

+    }  

   if ((color_type == PNG_COLOR_TYPE_RGB) ||

       (color_type == PNG_COLOR_TYPE_RGB_ALPHA))

     {