1. ffmpeg
  2. Commit 0d93d5c4614fafea74bdac681673f5b32eb49063
Browse code

Fix out of bound reads in the QDM2 decoder.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
(cherry picked from commit 5a19acb17ceb71657b0eec51dac651953520e5c8)

Signed-off-by: Reinhard Tartler <siretart@tauware.de>

Laurent Aimar authored on 2011/10/01 07:45:04
Showing 1 changed files
libavcodec/qdm2.c
History View file @ 0d93d5c
... ... 
@@ -1354,6 +1354,8 @@ static void qdm2_fft_decode_tones (QDM2Context *q, int duration, GetBitContext *
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             return;
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         local_int_14 = (offset >> local_int_8);
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+        if (local_int_14 >= FF_ARRAY_ELEMS(fft_level_index_table))
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+            return;
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         if (q->nb_channels > 1) {
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             channel = get_bits1(gb);