[FFmpeg-trac] #7980(avcodec:open): heap-buffer-overflow at ffmpeg/libavcodec/zmbvenc.c:97:30 in block_cmp by null pointer or undefined-behavior libavformat/nutenc.c:794:27

FFmpeg trac at avcodec.org
Sat Oct 12 15:34:58 EEST 2019


#7980: heap-buffer-overflow at ffmpeg/libavcodec/zmbvenc.c:97:30 in block_cmp by
null pointer or undefined-behavior libavformat/nutenc.c:794:27
-------------------------------------+-------------------------------------
             Reporter:  Suhwan       |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  zmbv ubsan   |               Blocked By:
  asan regression                    |
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by mkver):

 The zmbvenc bug has been fixed in
 def04022f4a7058f99e669bfd978d431d79aec18.
 @kamasubb: Only the release 4.2 has been affected by this.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7980#comment:6>
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