| See https://bugzilla.redhat.com/show_bug.cgi?id=1173162 |
| |
| Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> |
| |
| --- jasper-1.900.1.orig/src/libjasper/jp2/jp2_dec.c 2014-12-11 14:06:44.000000000 +0100 |
| +++ jasper-1.900.1/src/libjasper/jp2/jp2_dec.c 2014-12-11 14:06:26.000000000 +0100 |
| @@ -386,6 +386,11 @@ jas_image_t *jp2_decode(jas_stream_t *in |
| /* 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), |