---
libavcodec/yop.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavcodec/yop.c b/libavcodec/yop.c
index 69700bd..be996c2 100644
--- a/libavcodec/yop.c
+++ b/libavcodec/yop.c
@@ -89,6 +89,11 @@ static av_cold int yop_decode_init(AVCodecContext *avctx)
return AVERROR_INVALIDDATA;
}
+ if (avctx->extradata_size < 3) {
+ av_log(avctx, AV_LOG_ERROR, "Missing or incomplete extradata.\n");
+ return AVERROR_INVALIDDATA;
+ }
+
avctx->pix_fmt = AV_PIX_FMT_PAL8;
s->num_pal_colors = avctx->extradata[0];
--
1.7.10.4
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