diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2014-02-07 15:07:23 +0100 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2014-08-05 14:58:03 +0000 |
| commit | 849b9d34c7ef70b370c53e7af3940f51cbc07d0f (patch) | |
| tree | 98e17138fc88e19380fe46455b9908da35d9141a /libavcodec/wmalosslessdec.c | |
| parent | 15201e256035a3e8f9d3d7b96fc327467e1a8ead (diff) | |
wmalosslessdec: fix mclms_coeffs* array size
Fixes corruption of context
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC:libav-stable@libav.org
Bug-Id: CVE-2014-2098
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libavcodec/wmalosslessdec.c')
| -rw-r--r-- | libavcodec/wmalosslessdec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c index 6ee27d3ddf..b8a1776e59 100644 --- a/libavcodec/wmalosslessdec.c +++ b/libavcodec/wmalosslessdec.c @@ -129,8 +129,8 @@ typedef struct WmallDecodeCtx { int8_t mclms_order; int8_t mclms_scaling; - int16_t mclms_coeffs[128]; - int16_t mclms_coeffs_cur[4]; + int16_t mclms_coeffs[WMALL_MAX_CHANNELS * WMALL_MAX_CHANNELS * 32]; + int16_t mclms_coeffs_cur[WMALL_MAX_CHANNELS * WMALL_MAX_CHANNELS]; int16_t mclms_prevvalues[WMALL_MAX_CHANNELS * 2 * 32]; int16_t mclms_updates[WMALL_MAX_CHANNELS * 2 * 32]; int mclms_recent; |