Hi Misaki,

There's multiple interacting issues:

- ffmpeg is in universe; thus, many sites will not install it because
they configure apt to only install packages from main.

- imagemagick's insanely useful tools are used by hundreds or thousands
of other applications.

- openjpeg's upstream developers have made really impressive progress
improving their code quality but it still appears to be a hobby / part
time project rather than a production ready tool.

At this point I'd probably even say openjpeg's quality is slightly
better than imagemagick's quality. imagemagick is included in main
because the effort to *remove* it from main would be substantial. Were
imagemagick to be proposed as a new addition today it would not meet our
quality expectations.

However, I'm confident that at least some of the issues I've raised with
openjpeg would allow for remote zero-interaction exploits of our desktop
users if its code were properly exposed. It could be via attached images
in emails being automatically thumbnailed, downloaded documents being
automatically thumbnailed, etc. Perhaps album artwork on streaming music
services. Probably not everything I've found is actually exploitable but
I've flagged so many potential issues that it's entirely likely there's
multiple paths to exploitation.

The openjpeg team has come so far, it'd be a shame if they didn't cross
the finish line at this point. (I also hope the imagemagick team can
make similar strides, but hopefully everyone knows to run imagemagick
commands in AppArmor profiles or SELinux policy by now.)

Thanks

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https://bugs.launchpad.net/bugs/711061

Title:
  [MIR] openjpeg2

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