cff/cf2ft.c in FreeType before 2.5.4 does not validate the return values of point-allocation functions, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted OTF font. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9662
