From 91be1103fd1f79d381edf268c32f4166b6c3b6d8 Mon Sep 17 00:00:00 2001 From: Martin Storsjö Date: Fri, 20 Sep 2013 00:07:34 +0300 Subject: wnv1: Make sure the input packet is large enough MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org Signed-off-by: Martin Storsjö --- libavcodec/wnv1.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'libavcodec/wnv1.c') diff --git a/libavcodec/wnv1.c b/libavcodec/wnv1.c index 418c5f76ab..13a875e584 100644 --- a/libavcodec/wnv1.c +++ b/libavcodec/wnv1.c @@ -70,6 +70,11 @@ static int decode_frame(AVCodecContext *avctx, int prev_y = 0, prev_u = 0, prev_v = 0; uint8_t *rbuf; + if (buf_size < 8) { + av_log(avctx, AV_LOG_ERROR, "Packet is too short\n"); + return AVERROR_INVALIDDATA; + } + rbuf = av_malloc(buf_size + FF_INPUT_BUFFER_PADDING_SIZE); if (!rbuf) { av_log(avctx, AV_LOG_ERROR, "Cannot allocate temporary buffer\n"); -- cgit v1.2.3