--- tiff-3.8.2.orig/libtiff/tif_strip.c	2006-03-21 19:42:50.000000000 +0300
+++ tiff-3.8.2/libtiff/tif_strip.c	2007-12-21 13:35:14.000000000 +0300
@@ -121,7 +121,7 @@
 		 * horizontal/vertical subsampling area include
 		 * YCbCr data for the extended image.
 		 */
-                uint16 ycbcrsubsampling[2];
+                uint16 ycbcrsubsampling[2] = {0, 0};
                 tsize_t w, scanline, samplingarea;
 
                 TIFFGetField( tif, TIFFTAG_YCBCRSUBSAMPLING, 
@@ -232,7 +232,7 @@
 	if (td->td_planarconfig == PLANARCONFIG_CONTIG) {
 		if (td->td_photometric == PHOTOMETRIC_YCBCR
 		    && !isUpSampled(tif)) {
-			uint16 ycbcrsubsampling[2];
+			uint16 ycbcrsubsampling[2] = {0, 0};
 
 			TIFFGetField(tif, TIFFTAG_YCBCRSUBSAMPLING, 
 				     ycbcrsubsampling + 0,