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--- src/libjasper/jp2/jp2_dec.c.orig 2007-01-19 22:43:05.000000000 +0100
+++ src/libjasper/jp2/jp2_dec.c 2016-02-20 13:49:45.565514000 +0100
@@ -291,7 +291,10 @@
case JP2_COLR_ICC:
iccprof = jas_iccprof_createfrombuf(dec->colr->data.colr.iccp,
dec->colr->data.colr.iccplen);
- assert(iccprof);
+ if (!iccprof) {
+ jas_eprintf("error: failed to parse ICC profile\n");
+ goto error;
+ }
jas_iccprof_gethdr(iccprof, &icchdr);
jas_eprintf("ICC Profile CS %08x\n", icchdr.colorspc);
jas_image_setclrspc(dec->image, fromiccpcs(icchdr.colorspc));
@@ -336,7 +339,7 @@
}
/* 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_malloc2(dec->numchans, sizeof(uint_fast16_t)))) {
jas_eprintf("error: no memory\n");
goto error;
}
@@ -354,7 +357,7 @@
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_malloc2(pclrd->numlutents, sizeof(int_fast32_t));
for (i = 0; i < pclrd->numlutents; ++i) {
lutents[i] = pclrd->lutdata[cmapent->pcol + i * pclrd->numchans];
}
@@ -386,6 +389,11 @@
/* Determine the type of each component. */
if (dec->cdef) {
for (i = 0; i < dec->numchans; ++i) {
+ /* Is the channel number reasonable? */
+ if (dec->cdef->data.cdef.ents[i].channo >= dec->numchans) {
+ jas_eprintf("error: invalid channel number in CDEF box\n");
+ goto error;
+ }
jas_image_setcmpttype(dec->image,
dec->chantocmptlut[dec->cdef->data.cdef.ents[i].channo],
jp2_getct(jas_image_clrspc(dec->image),
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