[FFmpeg-trac] #11696(avformat:new): WAV ≥ 4 GiB abnormal decoding due to length field overflow

FFmpeg trac at avcodec.org
Fri Aug 15 07:44:57 EEST 2025


#11696: WAV ≥ 4 GiB abnormal decoding due to length field overflow
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             Reporter:  wavybaby  |                    Owner:  (none)
                 Type:  defect    |                   Status:  new
             Priority:  minor     |                Component:  avformat
              Version:  7.1       |               Resolution:
             Keywords:  wavdec    |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  1         |
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Comment (by MasterQuestionable):

 ͏    So it would be fundamentally incurable..?
 ͏    ("other chunks" other than audio data in WAV??)

 ͏    Seems like inherent format design issue. (problematic handling ≥ 4
 GiB)
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Ticket URL: <https://trac.ffmpeg.org/ticket/11696#comment:7>
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