cff/cf2intrp.c in the CFF CharString interpreter in FreeType before 2.5.4 proceeds with additional hints after the hint mask has been computed, which allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted OpenType font. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-2240.
https://security.gentoo.org/glsa/201503-05
http://www.ubuntu.com/usn/USN-2739-1
http://www.ubuntu.com/usn/USN-2510-1
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
http://lists.opensuse.org/opensuse-updates/2015-03/msg00091.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-February/150162.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-February/150148.html