Provide references for CVE-2019-7321.
Where can I find more information about CVE-2019-7321?
References are available at: https://bugs.ghostscript.com/show_bug.cgi?id=700560, https://github.com/ereisr00/bagofbugz/tree/master/MuPDF/700560, https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=2be83b57e77938fddbb06bdffb11979ad89a9c7d.