$NetBSD: patch-ab,v 1.20 2010/08/04 17:48:22 tron Exp $

Fix for CVE-2010-2482 taken from here:

http://bugzilla.maptools.org/show_bug.cgi?id=1996

--- libtiff/tif_ojpeg.c.orig	2010-06-09 00:29:51.000000000 +0100
+++ libtiff/tif_ojpeg.c	2010-08-04 18:14:07.000000000 +0100
@@ -1920,6 +1920,10 @@
 							sp->in_buffer_file_pos=0;
 						else
 						{
+							if (sp->tif->tif_dir.td_stripbytecount == 0) {
+								TIFFErrorExt(sp->tif->tif_clientdata,sp->tif->tif_name,"Strip byte counts are missing");
+								return(0);
+							}
 							sp->in_buffer_file_togo=sp->tif->tif_dir.td_stripbytecount[sp->in_buffer_next_strile];  
 							if (sp->in_buffer_file_togo==0)
 								sp->in_buffer_file_pos=0;