From a0f659b27575de81549e524d13457554b9095ac8 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 12 Dec 2012 11:20:55 +0100 Subject: [PATCH] oggspeexparse: fix array overread Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavformat/oggparsespeex.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavformat/oggparsespeex.c b/libavformat/oggparsespeex.c index 42480a3a27..63e6370482 100644 --- a/libavformat/oggparsespeex.c +++ b/libavformat/oggparsespeex.c @@ -58,6 +58,11 @@ static int speex_header(AVFormatContext *s, int idx) { st->codec->codec_type = AVMEDIA_TYPE_AUDIO; st->codec->codec_id = AV_CODEC_ID_SPEEX; + if (os->psize < 68) { + av_log(s, AV_LOG_ERROR, "speex packet too small\n"); + return AVERROR_INVALIDDATA; + } + st->codec->sample_rate = AV_RL32(p + 36); st->codec->channels = AV_RL32(p + 48); if (st->codec->channels < 1 || st->codec->channels > 2) {