Fix possible uninitialized memory in libtiff

mshabunin · mshabunin · commit 5770b961a19e · 2017-06-22T14:04:30.000+03:00
diff --git a/3rdparty/libtiff/tif_dirread.c b/3rdparty/libtiff/tif_dirread.c
@@ -3707,7 +3707,7 @@ TIFFReadDirectory(TIFF* tif)
             case TIFFTAG_SMAXSAMPLEVALUE:
                 {
 
-                    double *data;
+                    double *data = 0;
                     enum TIFFReadDirEntryErr err;
                     uint32 saved_flags;
                     int m;

Original file line number	Diff line number	Diff line change
`@@ -3707,7 +3707,7 @@ TIFFReadDirectory(TIFF* tif)`
`3707`	`3707`	`case TIFFTAG_SMAXSAMPLEVALUE:`
`3708`	`3708`	`{`
`3709`	`3709`
`3710`		`- double *data;`
	`3710`	`+ double *data = 0;`
`3711`	`3711`	`enum TIFFReadDirEntryErr err;`
`3712`	`3712`	`uint32 saved_flags;`
`3713`	`3713`	`int m;`