imlib2 before 1.4.9 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) by drawing a 2x1 ellipse.
https://sourceforge.net/p/enlightenment/mailman/message/35055012/
https://git.enlightenment.org/legacy/imlib2.git/commit/?id=c94d83ccab15d5ef02f88d42dce38ed3f0892882
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=639414
http://www.debian.org/security/2016/dsa-3555
http://lists.opensuse.org/opensuse-updates/2016-05/msg00076.html