File jasper-1.900.1-bug258253.patch of Package jasper

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File jasper-1.900.1-bug258253.patch of Package jasper (Revision 181d9a6ce96c4f30d0ac317a0a70da2a)

Currently displaying revision 181d9a6ce96c4f30d0ac317a0a70da2a , Show latest

--- src/libjasper/jp2/jp2_cod.c
+++ src/libjasper/jp2/jp2_cod.c
@@ -247,7 +247,7 @@
 	box = 0;
 	tmpstream = 0;
 
-	if (!(box = jas_malloc(sizeof(jp2_box_t)))) {
+	if (!(box = jas_calloc(1, sizeof(jp2_box_t)))) {
 		goto error;
 	}
 	box->ops = &jp2_boxinfo_unk.ops;
--- src/libjasper/jpc/jpc_cs.c
+++ src/libjasper/jpc/jpc_cs.c
@@ -982,7 +982,10 @@
 		compparms->numstepsizes = (len - n) / 2;
 		break;
 	}
-	if (compparms->numstepsizes > 0) {
+        if (compparms->numstepsizes > 3 * JPC_MAXRLVLS + 1) {
+		jpc_qcx_destroycompparms(compparms);
+                return -1;
+        } else if (compparms->numstepsizes > 0) {
 		compparms->stepsizes = jas_malloc(compparms->numstepsizes *
 		  sizeof(uint_fast16_t));
 		assert(compparms->stepsizes);
--- src/libjasper/jpc/jpc_dec.c
+++ src/libjasper/jpc/jpc_dec.c
@@ -1204,7 +1204,7 @@
 	dec->numhtiles = JPC_CEILDIV(dec->xend - dec->tilexoff, dec->tilewidth);
 	dec->numvtiles = JPC_CEILDIV(dec->yend - dec->tileyoff, dec->tileheight);
 	dec->numtiles = dec->numhtiles * dec->numvtiles;
-	if (!(dec->tiles = jas_malloc(dec->numtiles * sizeof(jpc_dec_tile_t)))) {
+	if (!(dec->tiles = jas_calloc(dec->numtiles, sizeof(jpc_dec_tile_t)))) {
 		return -1;
 	}
 
@@ -1228,7 +1228,7 @@
 		tile->pkthdrstreampos = 0;
 		tile->pptstab = 0;
 		tile->cp = 0;
-		if (!(tile->tcomps = jas_malloc(dec->numcomps *
+		if (!(tile->tcomps = jas_calloc(dec->numcomps,
 		  sizeof(jpc_dec_tcomp_t)))) {
 			return -1;
 		}

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File jasper-1.900.1-bug258253.patch of Package jasper (Revision 181d9a6ce96c4f30d0ac317a0a70da2a)

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