CVE-2009-0161
The OpenSSL::OCSP module for Ruby in Apple Mac OS X 10.5 before 10.5.7 misinterprets an...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2009-0161- CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2009-0161- Updated
- 2026-11-02
EUVDEUVD-2009-0170 No score
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.
- Record
EUVD-2009-0170- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7c3q-2h3j-w943 No score
The OpenSSL::OCSP module for Ruby in Apple Mac OS X 10.5 before 10.5.7 misinterprets an...
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.
- Record
GHSA-7c3q-2h3j-w943- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-0161 is a medium vulnerability (CVSS 6.4) in Apple Mac Os X, published May 13, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.29%, the 83rd percentile. No source names a fixed version.
References
support.apple.com/kb/HT3549
secunia.com/advisories/35074
lists.apple.com/archives/security-announce/2009/May/msg00002.html
securityfocus.com/bid/34926
us-cert.gov/cas/techalerts/TA09-133A.html
vupen.com/english/advisories/2009/1297
exchange.xforce.ibmcloud.com/vulnerabilities/50592
nvd.nist.gov/vuln/detail/CVE-2009-0161
github.com/advisories/GHSA-7c3q-2h3j-w943