{"id":"CVE-2018-16395","state":"PUBLISHED","title":"An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. When two OpenSSL::X509::Name objects a","description":"An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. When two OpenSSL::X509::Name objects are compared using ==, depending on the ordering, non-equal objects may return true. When the first argument is one character longer than the second, or the second argument contains a character that is one less than a character in the same position of the first argument, the result of == will be true. This could be leveraged to create an illegitimate certificate that may be accepted as legitimate and then used in signing or encryption operations.","publishedAt":"2018-11-16T18:00:00.000Z","updatedAt":"2024-08-05T10:24:32.106Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.ruby-lang.org/en/news/2018/10/17/openssl-x509-name-equality-check-does-not-work-correctly-cve-2018-16395/","https://access.redhat.com/errata/RHSA-2018:3738","https://www.ruby-lang.org/en/news/2018/11/06/ruby-2-6-0-preview3-released/","https://access.redhat.com/errata/RHSA-2018:3729","https://hackerone.com/reports/387250","https://access.redhat.com/errata/RHSA-2018:3730","https://access.redhat.com/errata/RHSA-2018:3731","https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released/","https://www.debian.org/security/2018/dsa-4332","https://usn.ubuntu.com/3808-1/","https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released/","https://security.netapp.com/advisory/ntap-20190221-0002/","https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-5-2-released/","https://lists.debian.org/debian-lts-announce/2018/10/msg00020.html","http://www.securitytracker.com/id/1042105","http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html","https://access.redhat.com/errata/RHSA-2019:1948","https://access.redhat.com/errata/RHSA-2019:2565","https://www.oracle.com/security-alerts/cpujan2020.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:44:25.237Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/16xxx/CVE-2018-16395.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-16395","state":"PUBLISHED","datePublished":"2018-11-16T18:00:00.000Z","dateUpdated":"2024-08-05T10:24:32.106Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2018-09-03T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. 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