diff options
| -rw-r--r-- | libavcodec/mpeg12dec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c index cf06af0a71..cf64645524 100644 --- a/libavcodec/mpeg12dec.c +++ b/libavcodec/mpeg12dec.c @@ -3019,6 +3019,10 @@ static int ipu_decode_frame(AVCodecContext *avctx, void *data, AVFrame * const frame = data; int ret; + // Check for minimal intra MB size (considering mb header, luma & chroma dc VLC, ac EOB VLC) + if (avpkt->size*8LL < (avctx->width+15)/16 * ((avctx->height+15)/16) * (2 + 3*4 + 2*2 + 2*6)) + return AVERROR_INVALIDDATA; + ret = ff_get_buffer(avctx, frame, 0); if (ret < 0) return ret; |