Arch Linux Security Advisory ASA-201608-22 ========================================== Severity: Critical Date : 2016-08-30 CVE-ID : CVE-2016-6525 Package : mupdf Type : arbitrary code execution Remote : Yes Link : https://wiki.archlinux.org/index.php/CVE Summary ======= The package mupdf before version 1.9a-5 is vulnerable to arbitrary code execution. Resolution ========== Upgrade to 1.9a-5 # pacman -Syu "mupdf>=1.9a-5" The fix has been backported from an upstream patch. Workaround ========== None. Description =========== Yu Hong and Zheng Jihong discovered a heap overflow vulnerability within the pdf_load_mesh_params function, allowing an attacker to cause an application crash (denial-of-service), or potentially to execute arbitrary code with the privileges of the user running MuPDF, if a specially crafted PDF file is processed. Impact ====== A remote attacker can execute arbitrary code or crash MuPDF by tricking a user into opening a crafted pdf file. References ========== http://bugs.ghostscript.com/show_bug.cgi?id=696954 https://security-tracker.debian.org/tracker/CVE-2016-6525 http://git.ghostscript.com/?p=mupdf.git;a=commitdiff;h=39b0f07dd960f34e7e6bf...