CVE-2009-0161 json
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 c…
published 2009-05-13 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0170
- cvss
- 6.4
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
2.29% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:N/I:P/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
lists.apple.com
/archives/security-announce/2009/May/msg00002.html
vendor-advisory, patch
-
support.apple.com
/kb/HT3549
patch, vendor-advisory
-
secunia.com
/advisories/35074
third-party-advisory
-
securityfocus.com
/bid/34926
vdb-entry
-
us-cert.gov
/cas/techalerts/TA09-133A.html
third-party-advisory, us-government-resource
-
vupen.com
/english/advisories/2009/1297
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/50592
vdb-entry
Sources
- CVE List CVE-2009-0161
- NVD CVE-2009-0161
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.