diff -urp a/libopenjpeg/tcd.c b/libopenjpeg/tcd.c
--- a/libopenjpeg/tcd.c	2013-01-01 01:01:01.000000000 +0000
+++ b/libopenjpeg/tcd.c	2013-01-01 01:01:01.000000000 +0000
@@ -1360,6 +1360,13 @@ bool tcd_decode_tile(opj_tcd_t *tcd, uns
 		opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: incomplete bistream\n");
 		return false;
 	}
+
+	/* The code below assumes that numcomps > 0 */
+	if (tile->numcomps <= 0) {
+		opj_event_msg(tcd->cinfo, EVT_ERROR, "tcd_decode: tile has a zero or negative numcomps\n");
+		return true;
+	}
+
 	
 	/*------------------TIER1-----------------*/