Integer signedness error in GD Graphics Library 2.1.1 (aka libgd or libgd2) allows remote attackers to cause a denial of service (crash) or potentially execute arbitrary code via crafted compressed gd2 data, which triggers a heap-based buffer overflow.
lists.fedoraproject.org/pipermail/package-announce/2016-April/183263.html
lists.fedoraproject.org/pipermail/package-announce/2016-May/183724.html
lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html
packetstormsecurity.com/files/136757/libgd-2.1.1-Signedness.html
rhn.redhat.com/errata/RHSA-2016-2750.html
seclists.org/fulldisclosure/2016/Apr/72
www.debian.org/security/2016/dsa-3556
www.debian.org/security/2016/dsa-3602
www.securityfocus.com/archive/1/538160/100/0/threaded
www.securityfocus.com/bid/87087
www.securitytracker.com/id/1035659
www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.383127
www.ubuntu.com/usn/USN-2987-1
github.com/libgd/libgd/commit/2bb97f407c1145c850416a3bfbcc8cf124e68a19
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
security.gentoo.org/glsa/201607-04
security.gentoo.org/glsa/201611-22
www.exploit-db.com/exploits/39736/