diff options
| -rw-r--r-- | libavcodec/exr.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/exr.c b/libavcodec/exr.c index f7d59c8241..67340c892d 100644 --- a/libavcodec/exr.c +++ b/libavcodec/exr.c @@ -1014,7 +1014,9 @@ static int dwa_uncompress(EXRContext *s, const uint8_t *src, int compressed_size dc_count = AV_RL64(src + 72); ac_compression = AV_RL64(src + 80); - if (compressed_size < (uint64_t)(lo_size | ac_size | dc_size | rle_csize) || compressed_size < 88LL + lo_size + ac_size + dc_size + rle_csize) + if ( compressed_size < (uint64_t)(lo_size | ac_size | dc_size | rle_csize) || compressed_size < 88LL + lo_size + ac_size + dc_size + rle_csize + || ac_count > (uint64_t)INT_MAX/2 + ) return AVERROR_INVALIDDATA; bytestream2_init(&gb, src + 88, compressed_size - 88); |