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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-03-04 23:12:58 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-03-04 23:13:26 +0100 |
| commit | 33a183df46355e4b281517e14c9b3c7e2b558dcf (patch) | |
| tree | badd04c0d5081a88614a38c1fb93aae2922a037a | |
| parent | 56ffa3fefb22605ac6507efa046ebddc38301521 (diff) | |
| download | ffmpeg-33a183df46355e4b281517e14c9b3c7e2b558dcf.tar.gz | |
indeo3: Fix overreading requant_tab.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/indeo3.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/indeo3.c b/libavcodec/indeo3.c index 54389a1abf..a87252a46a 100644 --- a/libavcodec/indeo3.c +++ b/libavcodec/indeo3.c @@ -622,7 +622,7 @@ static int decode_cell(Indeo3DecodeContext *ctx, AVCodecContext *avctx, /* of the predicted cell in order to avoid overflows. */ if (vq_index >= 8 && ref_block) { for (x = 0; x < cell->width << 2; x++) - ref_block[x] = requant_tab[vq_index & 7][ref_block[x]]; + ref_block[x] = requant_tab[vq_index & 7][ref_block[x] & 127]; } error = IV3_NOERR; |