Fixes: http://bugzilla.libav.org/show_bug.cgi?id=102
---
libavcodec/indeo3.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/libavcodec/indeo3.c b/libavcodec/indeo3.c
index 4f3cb36..9eca4dc 100644
--- a/libavcodec/indeo3.c
+++ b/libavcodec/indeo3.c
@@ -804,8 +804,10 @@ static int decode_plane(Indeo3DecodeContext *ctx,
AVCodecContext *avctx,
num_vectors = bytestream_get_le32(&data);
ctx->mc_vectors = num_vectors ? data : 0;
+ if (num_vectors * 2 >= data_size)
+ return AVERROR_INVALIDDATA;
/* init the bitreader */
- init_get_bits(&ctx->gb, &data[num_vectors * 2], data_size << 3);
+ init_get_bits(&ctx->gb, &data[num_vectors * 2], data_size-num_vectors*2 <<
3);
ctx->skip_bits = 0;
ctx->need_resync = 0;
--
1.7.4.1
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