Stack-based buffer overflow in the cf2_hintmap_build function in cff/cf2hints.c in FreeType before 2.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large number of stem hints in a font file. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-2240
