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Case File

CVE-2009-0642

MEDIUM · CVSS 6.8 EPSS 2.64%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2009-02-20 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.8. It affects OpenSSL. It may be remotely exploitable.

CVE
CVE-2009-0642
Severity
MEDIUM
CVSS
6.8
EPSS
2.64%
OpenSSL

Original NVD 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.