DjVuLibre before 3.5.25.3, as used in Evince, Sumatra PDF Reader, VuDroid, and other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted DjVu (aka .djv) file.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-6383
http://www.ubuntu.com/usn/USN-2056-1