An integer overflow was discovered in pdf_read_new_xref_section in pdf/pdf-xref.c in Artifex MuPDF 1.11.
https://security.gentoo.org/glsa/201811-15
https://lists.debian.org/debian-lts-announce/2017/11/msg00007.html
https://bugs.ghostscript.com/show_bug.cgi?id=698704
https://bugs.ghostscript.com/show_bug.cgi?id=698605
http://www.debian.org/security/2017/dsa-4006
http://git.ghostscript.com/?p=mupdf.git%3Bh=82df2631d7d0446b206ea6b434ea609b6c28b0e8