VULNERABILITY INTELLIGENCE
CVE-2009-0642
CVSS score6.8 NONE
EPSS probability2.64%
CISA KEVNot currently listed
Published2009-02-20
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:P/I:P/A:P
Description
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.
Weakness classification
- nvd@nist.gov: CWE-287