The count_entries function in pdf-layer.c in Artifex Software, Inc. MuPDF 1.10a allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted PDF document.
https://security.gentoo.org/glsa/201706-08
http://www.ghostscript.com/cgi-bin/findgit.cgi?2590fed7a355a421f062ebd4293df892800fa7ac