diff options
| author | headshog <craaaaaachind@gmail.com> | 2023-12-06 17:57:41 +0300 |
|---|---|---|
| committer | Even Rouault <even.rouault@spatialys.com> | 2023-12-08 15:24:28 +0100 |
| commit | 478b20d9234d6f856cbb4a2a67ee858dc99293d5 (patch) | |
| tree | 43c82421bf21960bd931c09b2a66fc0eb8d6c3d0 /src/lib | |
| parent | b0e83a1b3399f5f847250bdc044a96f22cb156d7 (diff) | |
opj_t1_ht_decode_cblk(): avoid memcpy() with 0-input size and nullptr destination. fix ht_dec.c:1215 (#1492)
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/openjp2/ht_dec.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/lib/openjp2/ht_dec.c b/src/lib/openjp2/ht_dec.c index 120d7e49..9ea061f3 100644 --- a/src/lib/openjp2/ht_dec.c +++ b/src/lib/openjp2/ht_dec.c @@ -1210,6 +1210,9 @@ OPJ_BOOL opj_t1_ht_decode_cblk(opj_t1_t *t1, /* Concatenate all chunks */ cblkdata = t1->cblkdatabuffer; + if (cblkdata == NULL) { + return OPJ_FALSE; + } cblk_len = 0; for (i = 0; i < cblk->numchunks; i++) { memcpy(cblkdata + cblk_len, cblk->chunks[i].data, cblk->chunks[i].len); |