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author | Michael Niedermayer <michaelni@gmx.at> | 2015-05-14 21:29:19 +0200 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2015-05-14 21:29:19 +0200 |
commit | a9bf628bfdad142763880a3d1ccb6058040dda57 (patch) | |
tree | e760d223240691b291d091a110f6842c7335528d /libavcodec/dcadec.c | |
parent | a6a45774d045007f8262cd7c614804390e53122e (diff) | |
download | ffmpeg-a9bf628bfdad142763880a3d1ccb6058040dda57.tar.gz |
avcodec/dcadec: Check subsubframes
Fixes: CID1239152
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/dcadec.c')
-rw-r--r-- | libavcodec/dcadec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c index f385db558c..77c3737aa6 100644 --- a/libavcodec/dcadec.c +++ b/libavcodec/dcadec.c @@ -437,6 +437,10 @@ static int dca_subframe_header(DCAContext *s, int base_channel, int block_index) if (!base_channel) { s->subsubframes[s->current_subframe] = get_bits(&s->gb, 2) + 1; + if (block_index + s->subsubframes[s->current_subframe] > s->sample_blocks/8) { + s->subsubframes[s->current_subframe] = 1; + return AVERROR_INVALIDDATA; + } s->partial_samples[s->current_subframe] = get_bits(&s->gb, 3); } |