diff --git a/tiff-4.0.3-CVE-2013-4243.patch b/tiff-4.0.3-CVE-2013-4243.patch
index 8ce2311..1349c8c 100644
--- a/tiff-4.0.3-CVE-2013-4243.patch
+++ b/tiff-4.0.3-CVE-2013-4243.patch
@@ -1,11 +1,8 @@
-Index: gif2tiff.c
+Index: tools/gif2tiff.c
 ===================================================================
-RCS file: /cvs/maptools/cvsroot/libtiff/tools/gif2tiff.c,v
-retrieving revision 1.12
-diff -u -r1.12 gif2tiff.c
---- tools/gif2tiff.c	15 Dec 2010 00:22:44 -0000	1.12
-+++ tools/gif2tiff.c	14 Aug 2013 04:43:31 -0000
-@@ -280,6 +280,10 @@
+--- tools/gif2tiff.c.orig
++++ tools/gif2tiff.c
+@@ -280,6 +280,10 @@ readgifimage(char* mode)
          fprintf(stderr, "no colormap present for image\n");
          return (0);
      }
@@ -16,4 +13,25 @@ diff -u -r1.12 gif2tiff.c
      if ((raster = (unsigned char*) _TIFFmalloc(width*height+EXTRAFUDGE)) == NULL) {
          fprintf(stderr, "not enough memory for image\n");
          return (0);
-
+@@ -406,6 +410,10 @@ process(register int code, unsigned char
+             fprintf(stderr, "bad input: code=%d is larger than clear=%d\n",code, clear);
+             return 0;
+         }
++        if (*fill >= raster + width*height) {
++            fprintf(stderr, "raster full before eoi code\n");
++            return 0;
++        }
+ 	*(*fill)++ = suffix[code];
+ 	firstchar = oldcode = code;
+ 	return 1;
+@@ -436,6 +444,10 @@ process(register int code, unsigned char
+     }
+     oldcode = incode;
+     do {
++        if (*fill >= raster + width*height) {
++            fprintf(stderr, "raster full before eoi code\n");
++            return 0;
++        }
+ 	*(*fill)++ = *--stackp;
+     } while (stackp > stack);
+     return 1;