{"id":"CVE-2017-14033","aliases":["GHSA-v6rp-3r3v-hf4p"],"url":"https://o3.security/vulnerability/CVE-2017-14033","summary":"Ruby OpenSSL DoS Vulnerability","details":"The decode method in the `OpenSSL::ASN1` module in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows attackers to cause a denial of service (interpreter crash) via a crafted string. The `openssl` gem that contains this module is patched in version 2.0.0.","published":"2017-09-19T17:29:00.327Z","modified":"2026-10-24T10:30:19.560833215Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"RubyGems","name":"openssl","fixedVersion":"2.0.0"}],"fix":{"url":"https://github.com/ruby/openssl/commit/36bf7f403ebb6cefcaa1e7af9d8ec99e6b4bc1ed","label":"ruby/openssl@36bf7f4"},"references":[{"type":"WEB","url":"http://www.securitytracker.com/id/1042004"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/100868"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1039363"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:0378"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:0583"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:0585"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201710-18"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-4031"},{"type":"ADVISORY","url":"https://www.ruby-lang.org/en/news/2017/09/14/openssl-asn1-buffer-underrun-cve-2017-14033/"},{"type":"FIX","url":"https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released/"},{"type":"FIX","url":"https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-3-5-released/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-14033"},{"type":"WEB","url":"https://github.com/ruby/openssl/commit/36bf7f403ebb6cefcaa1e7af9d8ec99e6b4bc1ed"},{"type":"PACKAGE","url":"https://github.com/ruby/openssl"},{"type":"WEB","url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/openssl/CVE-2017-14033.yml"},{"type":"WEB","url":"https://web.archive.org/web/20210509153849/http://www.securityfocus.com/bid/100868"},{"type":"WEB","url":"https://web.archive.org/web/20210622181826/http://www.securitytracker.com/id/1042004"},{"type":"WEB","url":"https://web.archive.org/web/20210724095519/http://www.securitytracker.com/id/1039363"},{"type":"WEB","url":"https://www.ruby-lang.org/en/news/2017/09/14/openssl-asn1-buffer-underrun-cve-2017-14033"},{"type":"WEB","url":"https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released"},{"type":"WEB","url":"https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-3-5-released"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:19.560833215Z"}}