Integer overflow in the load_image function in file-xwd.c in the X Window Dump (XWD) plug-in in GIMP 2.6.9 and earlier, when used with glib before 2.24, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large color entries value in an X Window System (XWD) image dump.
https://security.gentoo.org/glsa/201603-01
https://bugzilla.redhat.com/show_bug.cgi?id=947868
http://www.ubuntu.com/usn/USN-2051-1
http://www.securityfocus.com/bid/64105