The cdf_unpack_summary_info function in cdf.c in the Fileinfo component in PHP before 5.4.29 and 5.5.x before 5.5.13 allows remote attackers to cause a denial of service (performance degradation) by triggering many file_printf calls. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-0237
