CVE-2019-5419

Name: CVE-2019-5419
Creator: NVD / NIST
Published: 2019-03-27T14:29:01.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 8.67%

Last modified Jun 17, 2026

CVE-2019-5419 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. There is a possible denial of service vulnerability in Action View (Rails) <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 where specially crafted accept headers can cause action view to consume 100% cpu and make the server unresponsive.. EPSS estimates a 8.67% chance of exploitation in the next 30 days.

Description

There is a possible denial of service vulnerability in Action View (Rails) <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 where specially crafted accept headers can cause action view to consume 100% cpu and make the server unresponsive.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

8.67%

94.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rubyonrails	Rails	< 4.2.11.1
Rubyonrails	Rails	>= 5.0.0, < 5.0.7.2
Rubyonrails	Rails	>= 5.1.0, < 5.1.6.2
Rubyonrails	Rails	>= 5.2.0, < 5.2.2.1
Debian	Debian Linux	8.0
Redhat	Cloudforms	4.6
Redhat	Cloudforms	4.7
Redhat	Software Collections	1.0
Opensuse	Leap	15.0
Opensuse	Leap	15.1
Fedoraproject	Fedora	30

References

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00025.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00001.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/03/22/1Exploit, Mailing List, Mitigation, Patch, Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0796Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1147Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1149Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1289Third Party Advisory
https://groups.google.com/forum/#%21topic/rubyonrails-security/GN7w9fFAQeI
https://lists.debian.org/debian-lts-announce/2019/03/msg00042.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/
https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/Patch, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00025.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00001.htmlMailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/03/22/1Exploit, Mailing List, Mitigation, Patch, Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0796Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1147Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1149Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1289Third Party Advisory
https://groups.google.com/forum/#%21topic/rubyonrails-security/GN7w9fFAQeI
https://lists.debian.org/debian-lts-announce/2019/03/msg00042.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/
https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/Patch, Third Party Advisory

Timeline

Published: Mar 27, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-5419?

How severe is CVE-2019-5419?

CVE-2019-5419 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 8.67% probability of exploitation in the next 30 days.

How do I fix CVE-2019-5419?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-5419?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST