Found by John Villamil <[email protected]>
---
libavcodec/indeo5.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/libavcodec/indeo5.c b/libavcodec/indeo5.c
index 019fa2b..ec5f204 100644
--- a/libavcodec/indeo5.c
+++ b/libavcodec/indeo5.c
@@ -453,6 +453,9 @@ static int decode_mb_info(IVI5DecContext *ctx, IVIBandDesc
*band,
ref_mb = tile->ref_mbs;
offs = tile->ypos * band->pitch + tile->xpos;
+ if (!ref_mb && (band->inherit_qdelta || band->inherit_mv))
+ return AVERROR_INVALIDDATA;
+
/* scale factor for motion vectors */
mv_scale = (ctx->planes[0].bands[0].mb_size >> 3) - (band->mb_size >> 3);
mv_x = mv_y = 0;
--
1.7.8.4
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