{"id":"CVE-2016-0751","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-0751","generatedAt":"2026-10-27T19:44:53.988Z","title":"actionpack/lib/action_dispatch/http/mime_type.rb in Action Pack in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 does not properly restrict use of the MIME type cache, which allows…","description":"actionpack/lib/action_dispatch/http/mime_type.rb in Action Pack in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 does not properly restrict use of the MIME type cache, which allows remote attackers to cause a denial of service (memory consumption) via a crafted HTTP Accept header.","published":"2016-02-16T02:59:06.000Z","lastModified":"2026-06-17T00:38:09.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","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-399"],"affected":["rubyonrails/rails","rubyonrails/ruby on rails"],"epss":{"score":0.09731,"percentile":0.95485,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (9.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2016-02/msg00034.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-0296.html","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2016/dsa-3464","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2016/01/25/9","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/81800","source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id/1034816","source":"secalert@redhat.com"},{"url":"https://groups.google.com/forum/message/raw?msg=ruby-security-ann/9oLY_FCzvoc/5CDXbvpYEgAJ","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2016-02/msg00034.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-0296.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2016/dsa-3464","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2016/01/25/9","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/81800","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1034816","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://groups.google.com/forum/message/raw?msg=ruby-security-ann/9oLY_FCzvoc/5CDXbvpYEgAJ","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-0751","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."}