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-rw-r--r--libavcodec/yop.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/yop.c b/libavcodec/yop.c
index df61426dfe..42059e1c5a 100644
--- a/libavcodec/yop.c
+++ b/libavcodec/yop.c
@@ -224,6 +224,10 @@ static int yop_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
s->low_nibble = NULL;
is_odd_frame = avpkt->data[0];
+ if(is_odd_frame>1){
+ av_log(avctx, AV_LOG_ERROR, "frame is too odd %d\n", is_odd_frame);
+ return AVERROR_INVALIDDATA;
+ }
firstcolor = s->first_color[is_odd_frame];
palette = (uint32_t *)s->frame.data[1];