CVE-2016-0751

mediumpriority · track · 33EPSS 0.097 · 95 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

9.73% (95th) EPSS

CVSS 5 · medium

Is it mine?

54 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Psecondary · FSTEC (BDU) RU

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-399USprimaryCWE-399US

affected products (54)

Products and version ranges known to be affected.

Open Source Ruby on Rails <3.2.22.1all versionscert_bundDE
Open Source Ruby on Rails <4.1.14.1all versionscert_bundDE
Open Source Ruby on Rails <4.2.5.1all versionscert_bundDE
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Open Source Ruby on Rails< 3.2.22.1cert_bundDE
Open Source Ruby on Rails< 4.1.14.1cert_bundDE
Open Source Ruby on Rails< 4.2.5.1cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
Rails Core Team Ruby on Rails≤ 3.2.22fstec_bduRU
Rails Core Team Ruby on Rails4.0 → 4.1.14.1fstec_bduRU
Rails Core Team Ruby on Rails4.2 → 4.2.5.1fstec_bduRU
Rails Core Team Ruby on Rails5.0 → 5.0.0beta1.1fstec_bduRU
rubyonrails rails= 4.0.0nvdUScpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*
rubyonrails rails= 4.0.1nvdUScpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*
rubyonrails rails= 4.0.10nvdUScpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*
rubyonrails rails= 4.0.2nvdUScpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*
rubyonrails rails= 4.0.3nvdUScpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*
rubyonrails rails= 4.0.4nvdUScpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*
rubyonrails rails= 4.0.5nvdUScpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*

showing 20 of 54

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1085Ruby on Rails: Mehrere SchwachstellenDeutsch2016-01-25csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Ruby on Rails ausnutzen, um Sicherheitsfunktionen zu umgehen, um Dateien zu manipulieren oder um einen Denial of Service Zustand herbeizuführen.
GHSA-ffpv-c4hm-3x6vactionpack is vulnerable to denial of service via a crafted HTTP Accept header2017-10-24ghsa · osvUS
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

published 2016-02-16modified 2026-06-17

related (3,726)

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+3721 more

references (34)

External citations — patches, advisories, analysis.

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