ext/openssl/ossl_ocsp.c in Ruby 1.8 and 1.9 does not properly check the return value from the OCSP_basic_verify function, which might allow remote attackers to successfully present an invalid X.509 certificate, possibly involving a revoked certificate.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This vulnerability has a 2.64% probability of being exploited in the next 30 days, ranking higher than 85% of all scored CVEs.