From ed50673066956d6f2201a57c3254569f2ab08d9d Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Fri, 17 May 2013 18:29:15 +0200 Subject: wavpack: validate samples size parsed in wavpack_decode_block Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org --- libavcodec/wavpack.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'libavcodec/wavpack.c') diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 38fc26b7ea..8d7c82b2fe 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -796,6 +796,9 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no, if (!wc->mkv_mode) { s->samples = AV_RL32(buf); buf += 4; + if (s->samples != wc->samples) + return AVERROR_INVALIDDATA; + if (!s->samples) { *got_frame_ptr = 0; return 0; -- cgit v1.2.3