Index: jasper-1.900.1/src/libjasper/base/jas_icc.c
===================================================================
--- jasper-1.900.1.orig/src/libjasper/base/jas_icc.c
+++ jasper-1.900.1/src/libjasper/base/jas_icc.c
@@ -1461,8 +1461,8 @@ static int jas_icclut16_input(jas_iccatt
 		goto error;
 	clutsize = jas_iccpowi(lut16->clutlen, lut16->numinchans) * lut16->numoutchans;
 	if (!(lut16->clut = jas_alloc2(clutsize, sizeof(jas_iccuint16_t))) ||
-	  !(lut16->intabsbuf = jas_malloc(lut16->numinchans *
-	  lut16->numintabents * sizeof(jas_iccuint16_t))) ||
+	  !(lut16->intabsbuf = jas_alloc3(lut16->numinchans,
+	  lut16->numintabents, sizeof(jas_iccuint16_t))) ||
 	  !(lut16->intabs = jas_alloc2(lut16->numinchans,
 	  sizeof(jas_iccuint16_t *))))
 		goto error;
Index: jasper-1.900.1/src/libjasper/jp2/jp2_cod.c
===================================================================
--- jasper-1.900.1.orig/src/libjasper/jp2/jp2_cod.c
+++ jasper-1.900.1/src/libjasper/jp2/jp2_cod.c
@@ -372,7 +372,7 @@ static int jp2_bpcc_getdata(jp2_box_t *b
 	jp2_bpcc_t *bpcc = &box->data.bpcc;
 	unsigned int i;
 	bpcc->numcmpts = box->datalen;
-	if (!(bpcc->bpcs = jas_malloc(bpcc->numcmpts * sizeof(uint_fast8_t)))) {
+	if (!(bpcc->bpcs = jas_alloc2(bpcc->numcmpts, sizeof(uint_fast8_t)))) {
 		return -1;
 	}
 	for (i = 0; i < bpcc->numcmpts; ++i) {
@@ -416,7 +416,7 @@ static int jp2_colr_getdata(jp2_box_t *b
 		break;
 	case JP2_COLR_ICC:
 		colr->iccplen = box->datalen - 3;
-		if (!(colr->iccp = jas_malloc(colr->iccplen * sizeof(uint_fast8_t)))) {
+		if (!(colr->iccp = jas_alloc2(colr->iccplen, sizeof(uint_fast8_t)))) {
 			return -1;
 		}
 		if (jas_stream_read(in, colr->iccp, colr->iccplen) != colr->iccplen) {
@@ -453,7 +453,7 @@ static int jp2_cdef_getdata(jp2_box_t *b
 	if (jp2_getuint16(in, &cdef->numchans)) {
 		return -1;
 	}
-	if (!(cdef->ents = jas_malloc(cdef->numchans * sizeof(jp2_cdefchan_t)))) {
+	if (!(cdef->ents = jas_alloc2(cdef->numchans, sizeof(jp2_cdefchan_t)))) {
 		return -1;
 	}
 	for (channo = 0; channo < cdef->numchans; ++channo) {
@@ -766,7 +766,7 @@ static int jp2_cmap_getdata(jp2_box_t *b
 	unsigned int i;
 
 	cmap->numchans = (box->datalen) / 4;
-	if (!(cmap->ents = jas_malloc(cmap->numchans * sizeof(jp2_cmapent_t)))) {
+	if (!(cmap->ents = jas_alloc2(cmap->numchans, sizeof(jp2_cmapent_t)))) {
 		return -1;
 	}
 	for (i = 0; i < cmap->numchans; ++i) {
@@ -832,10 +832,10 @@ static int jp2_pclr_getdata(jp2_box_t *b
 		return -1;
 	}
 	lutsize = pclr->numlutents * pclr->numchans;
-	if (!(pclr->lutdata = jas_malloc(lutsize * sizeof(int_fast32_t)))) {
+	if (!(pclr->lutdata = jas_alloc2(lutsize, sizeof(int_fast32_t)))) {
 		return -1;
 	}
-	if (!(pclr->bpc = jas_malloc(pclr->numchans * sizeof(uint_fast8_t)))) {
+	if (!(pclr->bpc = jas_alloc2(pclr->numchans, sizeof(uint_fast8_t)))) {
 		return -1;
 	}
 	for (i = 0; i < pclr->numchans; ++i) {
Index: jasper-1.900.1/src/libjasper/jp2/jp2_dec.c
===================================================================
--- jasper-1.900.1.orig/src/libjasper/jp2/jp2_dec.c
+++ jasper-1.900.1/src/libjasper/jp2/jp2_dec.c
@@ -338,7 +338,7 @@ jas_image_t *jp2_decode(jas_stream_t *in
 	}
 
 	/* Allocate space for the channel-number to component-number LUT. */
-	if (!(dec->chantocmptlut = jas_malloc(dec->numchans * sizeof(uint_fast16_t)))) {
+	if (!(dec->chantocmptlut = jas_alloc2(dec->numchans, sizeof(uint_fast16_t)))) {
 		jas_eprintf("error: no memory\n");
 		goto error;
 	}
@@ -356,7 +356,7 @@ jas_image_t *jp2_decode(jas_stream_t *in
 			if (cmapent->map == JP2_CMAP_DIRECT) {
 				dec->chantocmptlut[channo] = channo;
 			} else if (cmapent->map == JP2_CMAP_PALETTE) {
-				lutents = jas_malloc(pclrd->numlutents * sizeof(int_fast32_t));
+				lutents = jas_alloc2(pclrd->numlutents, sizeof(int_fast32_t));
 				for (i = 0; i < pclrd->numlutents; ++i) {
 					lutents[i] = pclrd->lutdata[cmapent->pcol + i * pclrd->numchans];
 				}
Index: jasper-1.900.1/src/libjasper/jpc/jpc_dec.c
===================================================================
--- jasper-1.900.1.orig/src/libjasper/jpc/jpc_dec.c
+++ jasper-1.900.1/src/libjasper/jpc/jpc_dec.c
@@ -449,7 +449,7 @@ static int jpc_dec_process_sot(jpc_dec_t
 
 	if (dec->state == JPC_MH) {
 
-		compinfos = jas_malloc(dec->numcomps * sizeof(jas_image_cmptparm_t));
+		compinfos = jas_alloc2(dec->numcomps, sizeof(jas_image_cmptparm_t));
 		assert(compinfos);
 		for (cmptno = 0, cmpt = dec->cmpts, compinfo = compinfos;
 		  cmptno < dec->numcomps; ++cmptno, ++cmpt, ++compinfo) {
@@ -692,7 +692,7 @@ static int jpc_dec_tileinit(jpc_dec_t *d
 			tile->realmode = 1;
 		}
 		tcomp->numrlvls = ccp->numrlvls;
-		if (!(tcomp->rlvls = jas_malloc(tcomp->numrlvls *
+		if (!(tcomp->rlvls = jas_alloc2(tcomp->numrlvls,
 		  sizeof(jpc_dec_rlvl_t)))) {
 			return -1;
 		}
@@ -764,7 +764,7 @@ rlvl->bands = 0;
 			  rlvl->cbgheightexpn);
 
 			rlvl->numbands = (!rlvlno) ? 1 : 3;
-			if (!(rlvl->bands = jas_malloc(rlvl->numbands *
+			if (!(rlvl->bands = jas_alloc2(rlvl->numbands,
 			  sizeof(jpc_dec_band_t)))) {
 				return -1;
 			}
@@ -797,7 +797,7 @@ rlvl->bands = 0;
 
 				assert(rlvl->numprcs);
 
-				if (!(band->prcs = jas_malloc(rlvl->numprcs * sizeof(jpc_dec_prc_t)))) {
+				if (!(band->prcs = jas_alloc2(rlvl->numprcs, sizeof(jpc_dec_prc_t)))) {
 					return -1;
 				}
 
@@ -834,7 +834,7 @@ rlvl->bands = 0;
 			if (!(prc->numimsbstagtree = jpc_tagtree_create(prc->numhcblks, prc->numvcblks))) {
 				return -1;
 			}
-			if (!(prc->cblks = jas_malloc(prc->numcblks * sizeof(jpc_dec_cblk_t)))) {
+			if (!(prc->cblks = jas_alloc2(prc->numcblks, sizeof(jpc_dec_cblk_t)))) {
 				return -1;
 			}
 
@@ -1181,7 +1181,7 @@ static int jpc_dec_process_siz(jpc_dec_t
 		return -1;
 	}
 
-	if (!(dec->cmpts = jas_malloc(dec->numcomps * sizeof(jpc_dec_cmpt_t)))) {
+	if (!(dec->cmpts = jas_alloc2(dec->numcomps, sizeof(jpc_dec_cmpt_t)))) {
 		return -1;
 	}
 
@@ -1204,7 +1204,7 @@ static int jpc_dec_process_siz(jpc_dec_t
 	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_alloc2(dec->numtiles, sizeof(jpc_dec_tile_t)))) {
 		return -1;
 	}
 
@@ -1228,7 +1228,7 @@ static int jpc_dec_process_siz(jpc_dec_t
 		tile->pkthdrstreampos = 0;
 		tile->pptstab = 0;
 		tile->cp = 0;
-		if (!(tile->tcomps = jas_malloc(dec->numcomps *
+		if (!(tile->tcomps = jas_alloc2(dec->numcomps,
 		  sizeof(jpc_dec_tcomp_t)))) {
 			return -1;
 		}
@@ -1491,7 +1491,7 @@ static jpc_dec_cp_t *jpc_dec_cp_create(u
 	cp->numlyrs = 0;
 	cp->mctid = 0;
 	cp->csty = 0;
-	if (!(cp->ccps = jas_malloc(cp->numcomps * sizeof(jpc_dec_ccp_t)))) {
+	if (!(cp->ccps = jas_alloc2(cp->numcomps, sizeof(jpc_dec_ccp_t)))) {
 		return 0;
 	}
 	if (!(cp->pchglist = jpc_pchglist_create())) {
@@ -2050,7 +2050,7 @@ jpc_streamlist_t *jpc_streamlist_create(
 	}
 	streamlist->numstreams = 0;
 	streamlist->maxstreams = 100;
-	if (!(streamlist->streams = jas_malloc(streamlist->maxstreams *
+	if (!(streamlist->streams = jas_alloc2(streamlist->maxstreams,
 	  sizeof(jas_stream_t *)))) {
 		jas_free(streamlist);
 		return 0;
@@ -2070,8 +2070,8 @@ int jpc_streamlist_insert(jpc_streamlist
 	/* Grow the array of streams if necessary. */
 	if (streamlist->numstreams >= streamlist->maxstreams) {
 		newmaxstreams = streamlist->maxstreams + 1024;
-		if (!(newstreams = jas_realloc(streamlist->streams,
-		  (newmaxstreams + 1024) * sizeof(jas_stream_t *)))) {
+		if (!(newstreams = jas_realloc2(streamlist->streams,
+		  (newmaxstreams + 1024), sizeof(jas_stream_t *)))) {
 			return -1;
 		}
 		for (i = streamlist->numstreams; i < streamlist->maxstreams; ++i) {
@@ -2157,8 +2157,7 @@ int jpc_ppxstab_grow(jpc_ppxstab_t *tab,
 {
 	jpc_ppxstabent_t **newents;
 	if (tab->maxents < maxents) {
-		newents = (tab->ents) ? jas_realloc(tab->ents, maxents *
-		  sizeof(jpc_ppxstabent_t *)) : jas_malloc(maxents * sizeof(jpc_ppxstabent_t *));
+		newents = jas_realloc2(tab->ents, maxents, sizeof(jpc_ppxstabent_t *));
 		if (!newents) {
 			return -1;
 		}