{"id":"CVE-2011-1945","aliases":["DEBIAN-CVE-2011-1945","DSA-2309-1","EUVD-2011-1942","GHSA-r4rf-h58w-4p76","SUSE-SU-2015:1184-1","SUSE-SU-403"],"status":"published","title":"The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic...","description":"The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic Curve Digital Signature Algorithm (ECDSA) is used for the ECDHE_ECDSA cipher suite, does not properly implement curves over binary fields, which makes it easier for context-dependent attackers to determine private keys via a timing attack and a lattice 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forbidden-1/","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2011-1945","description":"The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic Curve Digital Signature Algorithm (ECDSA) is used for the ECDHE_ECDSA cipher suite, does not properly implement curves over binary fields, which makes it easier for context-dependent attackers to determine private keys via a timing attack and a lattice calculation.","status":"published","published":"2011-05-31T20:00:00Z","modified":"2024-08-06T22:46:00.682Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1942","description":"The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic Curve Digital Signature Algorithm (ECDSA) is used for the ECDHE_ECDSA cipher suite, does not properly implement curves over binary fields, which makes it easier for context-dependent attackers to determine private keys via a timing attack and a lattice calculation.","status":"published","published":"2011-05-31T20:00:00Z","modified":"2024-08-06T22:46:00Z","updated_at":"2026-11-03T01:55:54.666744Z"}],"ghsa":[{"id":"GHSA-r4rf-h58w-4p76","title":"The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic...","description":"The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic Curve Digital Signature Algorithm (ECDSA) is used for the ECDHE_ECDSA cipher suite, does not properly implement curves over binary fields, which makes it easier for context-dependent attackers to determine private keys via a timing attack and a lattice calculation.","status":"published","published":"2022-05-17T05:08:47Z","modified":"2023-01-28T05:03:14Z","updated_at":"2026-11-02T14:43:56.116009Z"}],"nvd":[{"id":"CVE-2011-1945","description":"The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic Curve Digital Signature Algorithm (ECDSA) is used for the ECDHE_ECDSA cipher suite, does not properly implement curves over binary fields, which makes it easier for context-dependent attackers to determine private keys via a timing attack and a lattice calculation.","status":"published","published":"2011-05-31T20:55:05.267Z","modified":"2026-06-16T23:30:26.6Z","cvss":[{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:02:08.47516Z"}],"osv":[{"id":"CVE-2011-1945","description":"The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic Curve Digital Signature Algorithm (ECDSA) is used for the ECDHE_ECDSA cipher suite, does not properly implement curves over binary fields, which makes it easier for context-dependent attackers to determine private keys via a timing attack and a lattice calculation.","status":"published","published":"2011-05-31T20:55:05Z","modified":"2026-04-10T03:41:47.299339Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-1945","description":"The elliptic curve cryptography (ECC) subsystem in OpenSSL 1.0.0d and earlier, when the Elliptic Curve Digital Signature Algorithm (ECDSA) is used for the ECDHE_ECDSA cipher suite, does not properly implement curves over binary fields, which makes it easier for context-dependent attackers to determine private keys via a timing attack and a lattice calculation.","status":"published","published":"2011-05-31T20:55:05.267Z","modified":"2026-10-23T17:47:31.886383568Z","updated_at":"2026-11-02T15:45:24.612044Z"},{"id":"DSA-2309-1","title":"openssl - compromised certificate authority","status":"published","published":"2011-09-13T00:00:00Z","modified":"2026-03-09T01:22:18.923557Z","updated_at":"2026-11-02T15:46:15.108335Z"},{"id":"SUSE-SU-2015:1184-1","title":"Security update for OpenSSL","description":"\nThis OpenSSL update fixes the following issues:\n\n    * Session Ticket Memory Leak (CVE-2014-3567)\n    * Build option no-ssl3 is incomplete (CVE-2014-3568)\n    * Add support for TLS_FALLBACK_SCSV to mitigate CVE-2014-3566 (POODLE)\n\nSecurity Issues:\n\n    * CVE-2014-3567\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3567\u003e\n    * CVE-2014-3566\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3566\u003e\n    * CVE-2014-3568\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3568\u003e\n\n","status":"published","published":"2014-10-24T22:07:03Z","modified":"2026-02-04T03:17:21.888768Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"SUSE-SU-403","title":"Security update for OpenSSL","description":"\nThis OpenSSL update fixes the following issues:\n\n    * Session Ticket Memory Leak (CVE-2014-3567)\n    * Build option no-ssl3 is incomplete (CVE-2014-3568)\n    * Add support for TLS_FALLBACK_SCSV to mitigate CVE-2014-3566 (POODLE)\n\nSecurity Issues:\n\n    * CVE-2014-3567\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3567\u003e\n    * CVE-2014-3566\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3566\u003e\n    * CVE-2014-3568\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3568\u003e\n\n","status":"published","published":"2014-10-24T22:07:03Z","modified":"2026-02-04T02:43:34.868415Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-403 Forbidden-1","title":"Security update for OpenSSL","description":"\nThis OpenSSL update fixes the following issues:\n\n    * Session Ticket Memory Leak (CVE-2014-3567)\n    * Build option no-ssl3 is incomplete (CVE-2014-3568)\n    * Add support for TLS_FALLBACK_SCSV to mitigate CVE-2014-3566 (POODLE)\n\nSecurity Issues:\n\n    * CVE-2014-3567\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3567\u003e\n    * CVE-2014-3566\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3566\u003e\n    * CVE-2014-3568\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3568\u003e\n\n","status":"published","published":"2014-10-24T22:07:03Z","modified":"2026-02-04T03:35:11.255833Z","updated_at":"2026-11-02T15:54:05.838224Z"}]}}