--- libwmf-0.2.8.4/src/extra/gd/gd_png.c	1 Apr 2007 20:41:01 -0000	1.21.2.1

+++ libwmf-0.2.8.4/src/extra/gd/gd_png.c	16 May 2007 19:06:11 -0000

@@ -78,8 +78,11 @@

 gdPngReadData (png_structp png_ptr,

 	       png_bytep data, png_size_t length)

 {

-  gdGetBuf (data, length, (gdIOCtx *)

-	    png_get_io_ptr (png_ptr));

+  int check;

+  check = gdGetBuf (data, length, (gdIOCtx *) png_get_io_ptr (png_ptr));

+  if (check != length) {

+    png_error(png_ptr, "Read Error: truncated data");

+  }

 }

 static void