{"cve":"CVE-2016-0751","nvd":{"published":"2016-02-16T02:59:05.877","modified":"2026-06-17T00:38:08.893","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-399"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html","http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html","http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html","http://lists.opensuse.org/opensuse-updates/2016-02/msg00034.html","http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html"],"products":["rubyonrails:rails","rubyonrails:ruby_on_rails"],"source":"nvd","synced_at":"2026-10-19T20:37:48.328043465+00:00"},"epss":{"cve":"CVE-2016-0751","score":0.09731,"percentile":0.95519,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-ffpv-c4hm-3x6v","url":"https://osv.dev/vulnerability/GHSA-ffpv-c4hm-3x6v","summary":"actionpack is vulnerable to denial of service via a crafted HTTP Accept header","modified":"2024-11-29T05:50:00.093043Z","packages":[{"ecosystem":"RubyGems","name":"actionpack","purl":"pkg:gem/actionpack","ranges":[">=4.2.0 <4.2.5.1"],"fixed":["4.2.5.1"]},{"ecosystem":"RubyGems","name":"actionpack","purl":"pkg:gem/actionpack","ranges":["<3.2.22.1"],"fixed":["3.2.22.1"]},{"ecosystem":"RubyGems","name":"actionpack","purl":"pkg:gem/actionpack","ranges":[">=4.0.0 <4.1.14.1"],"fixed":["4.1.14.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}