FFmpeg/libavformat
Michael Niedermayer f9597a5a11 avformat/realtextdec: Check for duplicate extradata in realtext_read_header()
Fixes: memleak
Fixes: 16140/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5684008052064256

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 652ea23cb34bc59b38c0088865600e2b86079815)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-08-05 19:34:33 +02:00
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