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Vulnerability details: VCID-c8b5-d83n-nuhw
Vulnerability ID VCID-c8b5-d83n-nuhw
Aliases CVE-2019-5419
GHSA-m63j-wh5w-c252
Summary Allocation of Resources Without Limits or Throttling There is a possible denial of service vulnerability in Action View (Rails) where specially crafted accept headers can cause action view to consume % cpu and make the server unresponsive.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (5)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-770 Allocation of Resources Without Limits or Throttling
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-400 Uncontrolled Resource Consumption
CWE-20 Improper Input Validation
System Score Found at
cvssv3.1 7.5 http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.html
generic_textual HIGH http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.html
cvssv3.1 7.5 http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00025.html
generic_textual HIGH http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00025.html
cvssv3.1 7.5 http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00001.html
generic_textual HIGH http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00001.html
cvssv3.1 7.5 https://access.redhat.com/errata/RHSA-2019:0796
generic_textual HIGH https://access.redhat.com/errata/RHSA-2019:0796
cvssv3.1 7.5 https://access.redhat.com/errata/RHSA-2019:1147
generic_textual HIGH https://access.redhat.com/errata/RHSA-2019:1147
cvssv3.1 7.5 https://access.redhat.com/errata/RHSA-2019:1149
generic_textual HIGH https://access.redhat.com/errata/RHSA-2019:1149
cvssv3.1 7.5 https://access.redhat.com/errata/RHSA-2019:1289
generic_textual HIGH https://access.redhat.com/errata/RHSA-2019:1289
cvssv3 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-5419.json
epss 0.12118 https://api.first.org/data/v1/epss?cve=CVE-2019-5419
epss 0.12118 https://api.first.org/data/v1/epss?cve=CVE-2019-5419
epss 0.12118 https://api.first.org/data/v1/epss?cve=CVE-2019-5419
epss 0.12118 https://api.first.org/data/v1/epss?cve=CVE-2019-5419
epss 0.12118 https://api.first.org/data/v1/epss?cve=CVE-2019-5419
epss 0.12118 https://api.first.org/data/v1/epss?cve=CVE-2019-5419
epss 0.12118 https://api.first.org/data/v1/epss?cve=CVE-2019-5419
cvssv3 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-m63j-wh5w-c252
cvssv3.1 7.5 https://github.com/rails/rails
generic_textual HIGH https://github.com/rails/rails
cvssv3.1 7.5 https://github.com/rails/rails/commit/f4c70c2222180b8d9d924f00af0c7fd632e26715
generic_textual HIGH https://github.com/rails/rails/commit/f4c70c2222180b8d9d924f00af0c7fd632e26715
cvssv3.1 7.5 https://github.com/rails/rails/pull/35708
generic_textual HIGH https://github.com/rails/rails/pull/35708
cvssv3.1 7.5 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionview/CVE-2019-5419.yml
generic_textual HIGH https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionview/CVE-2019-5419.yml
cvssv3 7.5 https://groups.google.com/forum/#!topic/rubyonrails-security/GN7w9fFAQeI
cvssv3.1 7.5 https://groups.google.com/forum/#!topic/rubyonrails-security/GN7w9fFAQeI
generic_textual HIGH https://groups.google.com/forum/#!topic/rubyonrails-security/GN7w9fFAQeI
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2019/03/msg00042.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2019/03/msg00042.html
cvssv3.1 7.5 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA
generic_textual HIGH https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA
cvssv2 7.8 https://nvd.nist.gov/vuln/detail/CVE-2019-5419
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-5419
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2019-5419
cvssv3.1 7.5 https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released
generic_textual HIGH https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released
cvssv3.1 7.5 http://www.openwall.com/lists/oss-security/2019/03/22/1
generic_textual HIGH http://www.openwall.com/lists/oss-security/2019/03/22/1
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00001.html
https://access.redhat.com/errata/RHSA-2019:0796
https://access.redhat.com/errata/RHSA-2019:1147
https://access.redhat.com/errata/RHSA-2019:1149
https://access.redhat.com/errata/RHSA-2019:1289
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-5419.json
https://api.first.org/data/v1/epss?cve=CVE-2019-5419
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5419
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/rails/rails
https://github.com/rails/rails/commit/f4c70c2222180b8d9d924f00af0c7fd632e26715
https://github.com/rails/rails/pull/35708
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionview/CVE-2019-5419.yml
https://groups.google.com/forum/#%21topic/rubyonrails-security/GN7w9fFAQeI
https://groups.google.com/forum/#!topic/rubyonrails-security/GN7w9fFAQeI
https://lists.debian.org/debian-lts-announce/2019/03/msg00042.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/
https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released
https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/
http://www.openwall.com/lists/oss-security/2019/03/22/1
1689160 https://bugzilla.redhat.com/show_bug.cgi?id=1689160
924520 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=924520
cpe:2.3:a:redhat:cloudforms:4.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:cloudforms:4.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:cloudforms:4.7:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:cloudforms:4.7:*:*:*:*:*:*:*
cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:*
cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
CVE-2019-5419 https://nvd.nist.gov/vuln/detail/CVE-2019-5419
GHSA-m63j-wh5w-c252 https://github.com/advisories/GHSA-m63j-wh5w-c252
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00025.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00001.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2019:0796
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2019:1147
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2019:1149
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2019:1289
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-5419.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/rails/rails
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/rails/rails/commit/f4c70c2222180b8d9d924f00af0c7fd632e26715
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/rails/rails/pull/35708
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionview/CVE-2019-5419.yml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://groups.google.com/forum/#!topic/rubyonrails-security/GN7w9fFAQeI
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2019/03/msg00042.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2019-5419
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-5419
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at http://www.openwall.com/lists/oss-security/2019/03/22/1
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.93764
EPSS Score 0.12118
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:48:22.650248+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/actionview/CVE-2019-5419.yml 38.0.0