mirror of https://git.ffmpeg.org/ffmpeg.git
ogg: Avoid the possibility to read out-of-bounds of a static global array in Vorbis
decoding. BUG=100543 Review URL: http://codereview.chromium.org/8365014 This fixes 25% of CVE-2011-3893 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -156,7 +156,7 @@ void ff_vorbis_ready_floor1_list(vorbis_floor1_entry * list, int values)
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}
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}
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static inline void render_line_unrolled(intptr_t x, intptr_t y, int x1,
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static inline void render_line_unrolled(intptr_t x, unsigned char y, int x1,
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intptr_t sy, int ady, int adx,
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float *buf)
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{
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@ -191,7 +191,7 @@ static void render_line(int x0, int y0, int x1, int y1, float *buf)
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} else {
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int base = dy / adx;
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int x = x0;
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int y = y0;
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unsigned char y = y0;
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int err = -adx;
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ady -= FFABS(base) * adx;
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while (++x < x1) {
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