{"id":"CVE-2017-14033","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-14033","generatedAt":"2026-10-29T01:48:51.805Z","title":"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.","description":"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.","published":"2017-09-19T17:29:00.000Z","lastModified":"2026-06-17T01:05:29.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","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"},"cwe":["CWE-119"],"affected":["ruby-lang/ruby"],"epss":{"score":0.07734,"percentile":0.94595,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (7.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/100868","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1039363","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1042004","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0378","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0583","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0585","source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html","source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201710-18","source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2017/dsa-4031","source":"cve@mitre.org"},{"url":"https://www.ruby-lang.org/en/news/2017/09/14/openssl-asn1-buffer-underrun-cve-2017-14033/","tags":["Mitigation","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released/","tags":["Patch","Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-3-5-released/","tags":["Patch","Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/100868","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1039363","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1042004","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0378","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0583","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0585","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201710-18","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2017/dsa-4031","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ruby-lang.org/en/news/2017/09/14/openssl-asn1-buffer-underrun-cve-2017-14033/","tags":["Mitigation","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released/","tags":["Patch","Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-3-5-released/","tags":["Patch","Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-14033","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}