diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 96ea6103cc..826b449262 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -1178,6 +1178,9 @@ static int wavpack_decode_frame(AVCodecContext *avctx, void *data, int frame_size, ret, frame_flags; int samplecount = 0; + if (avpkt->size < 12 + s->multichannel * 4) + return AVERROR_INVALIDDATA; + s->block = 0; s->ch_offset = 0;