{"id":"CVE-2014-8090","url":"https://www.cyber-defence.io/tools/cve/CVE-2014-8090","generatedAt":"2026-10-27T18:47:16.327Z","title":"The REXML parser in Ruby 1.9.x before 1.9.3 patchlevel 551, 2.0.x before 2.0.0 patchlevel 598, and 2.1.x before 2.1.5 allows remote attackers to cause a denial of service (CPU and memory consumption) a crafted XML document containing an empty string in…","description":"The REXML parser in Ruby 1.9.x before 1.9.3 patchlevel 551, 2.0.x before 2.0.0 patchlevel 598, and 2.1.x before 2.1.5 allows remote attackers to cause a denial of service (CPU and memory consumption) a crafted XML document containing an empty string in an entity that is used in a large number of nested entity references, aka an XML Entity Expansion (XEE) attack.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-1821 and CVE-2014-8080.","published":"2014-11-21T15:59:04.000Z","lastModified":"2026-06-17T00:16:13.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":[],"affected":["ruby-lang/ruby"],"epss":{"score":0.05708,"percentile":0.92967,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (5.71%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://advisories.mageia.org/MGASA-2014-0472.html","source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-12/msg00035.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-01/msg00000.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-01/msg00004.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-1911.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-1912.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-1913.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-1914.html","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/59948","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/62050","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/62748","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2015/dsa-3157","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2015/dsa-3159","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:129","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/71230","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-2412-1","tags":["Patch","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://support.apple.com/HT205267","source":"secalert@redhat.com"},{"url":"https://www.ruby-lang.org/en/news/2014/11/13/rexml-dos-cve-2014-8090/","tags":["Exploit","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://advisories.mageia.org/MGASA-2014-0472.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-12/msg00035.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-01/msg00000.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-01/msg00004.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-1911.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-1912.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-1913.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2014-1914.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/59948","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/62050","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/62748","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2015/dsa-3157","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2015/dsa-3159","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:129","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/71230","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2412-1","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT205267","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ruby-lang.org/en/news/2014/11/13/rexml-dos-cve-2014-8090/","tags":["Exploit","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2014-8090","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."}