*** xdrfile.c	Tue Jun 24 07:33:48 2014
--- xdrfile-patch.c	Thu Sep 25 16:37:38 2014
***************
*** 793,798 ****
--- 793,799 ----
  	float *lfp, inv_precision;
  	int tmp, *thiscoord,  prevcoord[3];
  	unsigned int bitsize;
+ 	const float* ptrstart = ptr;
    
      bitsizeint[0] = 0;
      bitsizeint[1] = 0;
***************
*** 918,923 ****
--- 919,929 ----
  			run -= is_smaller;
  			is_smaller--;
  		}
+         if ((lfp-ptrstart)+run > size3)
+         {
+         	fprintf(stderr, "Buffer overrun during decompression.\n");
+         	return 0;
+         }
  		if (run > 0)
          {
  			thiscoord += 3;