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| author | Paul B Mahol <onemda@gmail.com> | 2017-06-28 16:59:59 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2017-06-28 17:02:07 +0200 |
| commit | 42f516b5d356a1fe9945dfe770a4f62ce62f3080 (patch) | |
| tree | 4ac4cb4763a27645f0510ff5c38546f38d6e46ff /libavcodec | |
| parent | 3426832ac3074e081923095f7794064a30642841 (diff) | |
| download | ffmpeg-42f516b5d356a1fe9945dfe770a4f62ce62f3080.tar.gz | |
avcodec/interplayvideo: check that video_size is >0
Fixes #6498.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/interplayvideo.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/interplayvideo.c b/libavcodec/interplayvideo.c index 2ac2f991a6..04cc91a060 100644 --- a/libavcodec/interplayvideo.c +++ b/libavcodec/interplayvideo.c @@ -1233,6 +1233,8 @@ static int ipvideo_decode_frame(AVCodecContext *avctx, s->decoding_map_size = ((s->avctx->width / 8) * (s->avctx->height / 8)) * 2; s->decoding_map = buf + 8 + 14; /* 14 bits of op data */ video_data_size -= s->decoding_map_size + 14; + if (video_data_size <= 0) + return AVERROR_INVALIDDATA; if (buf_size < 8 + s->decoding_map_size + 14 + video_data_size) return AVERROR_INVALIDDATA; |