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| author | Michael Niedermayer <michaelni@gmx.at> | 2015-05-04 13:25:31 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-05-04 14:31:45 +0200 |
| commit | 3dfbdb328ed9e88cebc6462c56cfe61e55850b2e (patch) | |
| tree | e165e0d02aabdeff6138df12ee2512d635d8ee63 /libavcodec/ffv1dec.c | |
| parent | eb9fb508b0e09d85d234fe694333b2005e1d7a7e (diff) | |
| download | ffmpeg-3dfbdb328ed9e88cebc6462c56cfe61e55850b2e.tar.gz | |
avcodec/ffv1dec: Check quant table symbols more completely
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/ffv1dec.c')
| -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 78d947ace3..621aac7bdb 100644 --- a/libavcodec/ffv1dec.c +++ b/libavcodec/ffv1dec.c @@ -476,7 +476,7 @@ static int read_quant_table(RangeCoder *c, int16_t *quant_table, int scale) for (v = 0; i < 128; v++) { unsigned len = get_symbol(c, state, 0) + 1; - if (len > 128 - i) + if (len > 128 - i || !len) return AVERROR_INVALIDDATA; while (len--) { |