The rb_str_format function in Ruby 1.8.4 and earlier 1.8.5 before 1.8.5-p231 1.8.6 before 1.8.6-p230 1.8.7 before 1.8.7-p22 and 1.9.0 before 1.9.0-2 allows context-dependent attackers to trigger memory corruption via unspecified vectors related to alloca a different issue than CVE-2008-2662 CVE-2008-2663 and CVE-2008-2725. NOTE: as of 20080624 there has been inconsistent usage of multiple CVE identifiers related to Ruby. The CVE description should be regarded as authoritative although it is likely to change.