[FFmpeg-trac] #8960(avcodec:open): The function decode_frame in libavcodec/tiff.c has an uninitialized variable which may cause application crash

FFmpeg trac at avcodec.org
Tue Nov 10 03:26:02 EET 2020


#8960: The function decode_frame in  libavcodec/tiff.c  has an uninitialized
variable which may cause  application crash
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             Reporter:  1vanChen    |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  important   |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  tif         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by 1vanChen):

 Replying to [comment:2 cehoyos]:
 > Is this issue reproducible with `ffmpeg`, the application?

 I tried several parameter combinations but none of them reached the
 decode_frame().I even downloaded a standard tiff file and it still fails.
 {{{
 ./ffmpeg_g -i file_example_TIFF_1MB.tiff test.tiff
 ./ffmpeg_g -i pipe:0 test.tiff -y -report < ./file_example_TIFF_1MB.tiff
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/8960#comment:3>
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