{"id":"CVE-2009-0161","aliases":["EUVD-2009-0170","GHSA-7c3q-2h3j-w943"],"status":"published","title":"The OpenSSL::OCSP module for Ruby in Apple Mac OS X 10.5 before 10.5.7 misinterprets an...","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.","severity":{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02286,"percentile":0.83306,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2009-05-13T15:14:00Z","modified":"2026-06-16T23:04:23Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"mac_os_x_server"}],"references":[{"url":"http://support.apple.com/kb/HT3549","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://secunia.com/advisories/35074","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://lists.apple.com/archives/security-announce/2009/May/msg00002.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/34926","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA09-133A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://www.vupen.com/english/advisories/2009/1297","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/50592","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-0161"},{"url":"https://github.com/advisories/GHSA-7c3q-2h3j-w943"}],"sources":{"cve":[{"id":"CVE-2009-0161","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.","status":"published","published":"2009-05-13T15:14:00Z","modified":"2024-08-07T04:24:18.051Z","updated_at":"2026-11-02T14:33:25.896677Z"}],"euvd":[{"id":"EUVD-2009-0170","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.","status":"published","published":"2009-05-13T15:14:00Z","modified":"2024-08-07T04:24:18Z","updated_at":"2026-11-03T01:39:27.128816Z"}],"ghsa":[{"id":"GHSA-7c3q-2h3j-w943","title":"The OpenSSL::OCSP module for Ruby in Apple Mac OS X 10.5 before 10.5.7 misinterprets an...","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.","status":"published","published":"2022-05-02T03:13:17Z","modified":"2023-01-31T05:06:41Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:49:04.943706Z"}],"nvd":[{"id":"CVE-2009-0161","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.","status":"published","published":"2009-05-13T15:30:00.5Z","modified":"2026-06-16T23:04:23.887Z","cvss":[{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:35.136779Z"}]}}