CVE-2016-0751
HIGH7.5EPSS 8.9%actionpack is vulnerable to denial of service via a crafted HTTP Accept header
Published: 10/24/2017Modified: 4/28/2026
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.
Affected packages (2)
- Debian/railsfrom 0, < 2:4.2.5.1-1
- RubyGems/actionpack>= 4.2.0, < 4.2.5.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (19)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2016-0751
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2016-0751
- PATCHhttps://github.com/rails/rails
- WEBhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html
- WEBhttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html
- WEBhttp://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html
- WEBhttp://lists.opensuse.org/opensuse-updates/2016-02/msg00034.html
- WEBhttp://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html
- WEBhttp://rhn.redhat.com/errata/RHSA-2016-0296.html
- WEBhttps://github.com/rails/rails/commit/127967b735813cd4f263df7a50426d74e7e9cc17
- WEBhttps://github.com/rails/rails/commit/221937c8ba1d291430ceddebbd4bdef7d3cb47d6
- WEBhttps://github.com/rails/rails/commit/37047b779a177b911c7161052cfc34a30e1db0af
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2016-0751.yml
- WEBhttps://groups.google.com/forum/message/raw?msg=ruby-security-ann/9oLY_FCzvoc/5CDXbvpYEgAJ
- WEBhttps://groups.google.com/forum/#!topic/rubyonrails-security/9oLY_FCzvoc
- WEBhttps://web.archive.org/web/20160128201702/http://www.securitytracker.com/id/1034816
- WEBhttps://web.archive.org/web/20200227181647/http://www.securityfocus.com/bid/81800
- WEBhttp://www.debian.org/security/2016/dsa-3464
- WEBhttp://www.openwall.com/lists/oss-security/2016/01/25/9