Heap-based buffer overflow in the pdf_load_mesh_params function in pdf/pdf-shade.c in MuPDF allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a large decode array.
https://security.gentoo.org/glsa/201702-12
http://www.securityfocus.com/bid/92266
http://www.openwall.com/lists/oss-security/2016/08/03/8
http://www.debian.org/security/2016/dsa-3655
http://git.ghostscript.com/?p=mupdf.git%3Bh=39b0f07dd960f34e7e6bf230ffc3d87c41ef0f2e