Each time I want to convert
jpg file to
convert *.jpg pictures.pdf
I have this error message:
convert: not authorized `pictures.pdf' @ error/constitute.c/WriteImage/1028.
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This problems comes from a security update: https://launchpad.net/ubuntu/+source/imagemagick/8:184.108.40.206-7ubuntu5.13
Someone reported it as a bug: https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1796563
As a temporary fix, I edited
/etc/ImageMagick-6/policy.xml and changed the PDF rights from
read|write there. Not sure about the implications, but at least it allows me to get things done.
If you're worried about the implications, https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1796563 mentions that
While the release notes are not exactly clear, Ghostscript v9.25 seems to make reference to fixing some vulnerabilities of this sort: https://www.ghostscript.com/doc/9.25/News.htm
Fixed this on my Ubuntu 16.04.6 LTS by following accepted answer.
Created simple sed one-liner to get this fixed faster:
sudo sed -i 's#<policy domain="coder" rights="none" pattern="PDF" />#<policy domain="coder" rights="read|write" pattern="PDF" />#' /etc/ImageMagick-6/policy.xml
and in programmatic way.
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