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FFmpeg/libavformat
Dale Curtis eab5f6e419 avformat/mov: Error on too large stsd entry counts.
Entries are always at least 8 bytes per the parsing code, so if we
see an impossible entry count avoid massive allocations. This is
similar to an existing check in mov_read_stsc().

Since ff_mov_read_stsd_entries() does eof checks, an alternative
approach could be to clamp the entry count to atom.size / 8.

Signed-off-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 320b631a99)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-10-28 02:22:42 +02:00
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