From: "Ronald S. Bultje" <rsbul...@gmail.com>
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-sta...@libav.org
---
libavcodec/indeo4.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavcodec/indeo4.c b/libavcodec/indeo4.c
index 573718e..3e8a398 100644
--- a/libavcodec/indeo4.c
+++ b/libavcodec/indeo4.c
@@ -372,7 +372,8 @@ static int decode_band_hdr(IVI4DecContext *ctx, IVIBandDesc
*band,
if (!get_bits1(&ctx->gb) || ctx->frame_type == FRAMETYPE_INTRA) {
transform_id = get_bits(&ctx->gb, 5);
- if (!transforms[transform_id].inv_trans) {
+ if (transform_id >= FF_ARRAY_ELEMS(transforms) ||
+ !transforms[transform_id].inv_trans) {
av_log_ask_for_sample(avctx, "Unimplemented transform: %d!\n",
transform_id);
return AVERROR_PATCHWELCOME;
}
--
1.7.9.2
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