VULNERABILITY INTELLIGENCE

CVE-2009-0161

CVSS score6.4 MEDIUM
EPSS probability2.29%
CISA KEVNot currently listed
Published2009-05-13
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:P

Description

The OpenSSL::OCSP module for Ruby in Apple Mac OS X 10.5 before 10.5.7 misinterprets an unspecified invalid response as a successful OCSP certificate validation, which might allow remote attackers to spoof certificate authentication via a revoked certificate.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references