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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-03-05 03:43:15 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-03-05 03:43:15 +0100 |
| commit | 1007a805a486a1348a0543ac2dd99d823148d25c (patch) | |
| tree | 6481c7f2a00895790cc3e7ed9378dec130d326b1 | |
| parent | 263bb6edcf6b767006fcde315850d3a60b3fceed (diff) | |
| download | ffmpeg-1007a805a486a1348a0543ac2dd99d823148d25c.tar.gz | |
smc: Fix overread.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/smc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/smc.c b/libavcodec/smc.c index 9ae19ffb45..a4fc861f62 100644 --- a/libavcodec/smc.c +++ b/libavcodec/smc.c @@ -313,7 +313,7 @@ static void smc_decode_stream(SmcContext *s) } else color_table_index = CQUAD * s->buf[stream_ptr++]; - while (n_blocks--) { + while (n_blocks-- && stream_ptr + 3 < s->size) { color_flags = AV_RB32(&s->buf[stream_ptr]); stream_ptr += 4; /* flag mask actually acts as a bit shift count here */ |