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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-09-02 02:10:31 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-09-02 02:10:31 +0200 |
| commit | eac161451d248fdd375d403f9bb7d0bec68bc40b (patch) | |
| tree | 075714529460cb4f70b894b247b111d9916b1ec5 | |
| parent | 1376084dcbab53cbaea8047cf7ec85af3c8570ce (diff) | |
| download | ffmpeg-eac161451d248fdd375d403f9bb7d0bec68bc40b.tar.gz | |
avcodec/ffv1dec: Check that there is enough space for the CRC in the global header
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/ffv1dec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c index 6c035b8eab..133ad851d6 100644 --- a/libavcodec/ffv1dec.c +++ b/libavcodec/ffv1dec.c @@ -594,7 +594,7 @@ static int read_extra_header(FFV1Context *f) unsigned v; v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, f->avctx->extradata, f->avctx->extradata_size); - if (v) { + if (v || f->avctx->extradata_size < 4) { av_log(f->avctx, AV_LOG_ERROR, "CRC mismatch %X!\n", v); return AVERROR_INVALIDDATA; } |