Artifex MuPDF 1.11 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .xps file, related to "Data from Faulting Address controls Branch Selection starting at mupdf+0x000000000016cb4f" on Windows. This occurs because of mishandling of XML tag name comparisons.
https://lists.debian.org/debian-lts-announce/2017/11/msg00007.html
https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-14687
http://www.debian.org/security/2017/dsa-4006
http://git.ghostscript.com/?p=mupdf.git%3Bh=2b16dbd8f73269cb15ca61ece75cf8d2d196ed28