20 lines
942 B
Diff
20 lines
942 B
Diff
diff -rupN --no-dereference openjpeg-2.3.1/src/lib/openjp2/t2.c openjpeg-2.3.1-new/src/lib/openjp2/t2.c
|
|
--- openjpeg-2.3.1/src/lib/openjp2/t2.c 2020-12-17 16:25:44.967030302 +0100
|
|
+++ openjpeg-2.3.1-new/src/lib/openjp2/t2.c 2020-12-17 16:25:44.969030300 +0100
|
|
@@ -711,6 +711,15 @@ static OPJ_BOOL opj_t2_encode_packet(OPJ
|
|
continue;
|
|
}
|
|
|
|
+ /* Avoid out of bounds access of https://github.com/uclouvain/openjpeg/issues/1294 */
|
|
+ /* but likely not a proper fix. */
|
|
+ if (precno >= res->pw * res->ph) {
|
|
+ opj_event_msg(p_manager, EVT_ERROR,
|
|
+ "opj_t2_encode_packet(): accessing precno=%u >= %u\n",
|
|
+ precno, res->pw * res->ph);
|
|
+ return OPJ_FALSE;
|
|
+ }
|
|
+
|
|
prc = &band->precincts[precno];
|
|
opj_tgt_reset(prc->incltree);
|
|
opj_tgt_reset(prc->imsbtree);
|