The gdImageCreateFromTgaCtx function in the GD Graphics Library (aka libgd) before 2.2.3 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted TGA file.
https://security.gentoo.org/glsa/201612-09
https://libgd.github.io/release-2.2.3.html
https://github.com/libgd/libgd/issues/247
http://www.ubuntu.com/usn/USN-3060-1
http://www.securityfocus.com/bid/91520
http://www.openwall.com/lists/oss-security/2016/06/30/6
http://www.openwall.com/lists/oss-security/2016/06/30/10
http://www.debian.org/security/2016/dsa-3619
http://lists.opensuse.org/opensuse-updates/2016-09/msg00078.html
http://lists.opensuse.org/opensuse-updates/2016-08/msg00086.html