Buffer overflow in the vararg functions in ldo.c in Lua 5.1 through 5.2.x before 5.2.3 allows context-dependent attackers to cause a denial of service (crash) via a small number of arguments to a function with a large number of fixed arguments. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-5461
