CVE-2018-1067

21

FAUCET Score

CVE-2018-1067 is a medium-severity vulnerability affecting Undertow web server versions prior to 7.1.2.CR1 and 7.1.2.GA, as well as Red Hat products utilizing Undertow, including Enterprise Linux and JBoss EAP. It allows for HTTP header injection and response splitting due to insufficient input sanitization, potentially leading to information disclosure and integrity issues. The vulnerability has a CVSS score of 6.1, indicating a network-based attack requiring user interaction with low attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 1.4.25CPE matchmatch criteria	cpe:2.3:a:redhat:undertow::::::::
		>= 2.0.0, < 2.0.5CPE matchmatch criteria	cpe:2.3:a:redhat:undertow::::::::
		7.1CPE matchmatch criteria	cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.1:::::::*
		4.0CPE matchmatch criteria	cpe:2.3:a:redhat:virtualization_host:4.0:::::::*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

2.5

CvssVersion

3.0

Exploit Intelligence

EPSS Score

1.76%

Probability of exploitation in next 30 days

EPSS Percentile

75.6%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0176 is in the 87th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (57)

mavenpatch availablevia ghsa

Product: org.jboss.eap:wildfly-undertowFixed in: 7.1.2.GA

redhatpatch availablevia redhat_api

Product: Red Hat JBoss EAP 7.1

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-activemq-artemis-0:1.5.5.010-1.redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-hibernate-0:5.1.13-1.Final_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-infinispan-0:8.2.10-1.Final_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-ironjacamar-0:1.4.8-1.Final_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-jboss-ejb-client-0:4.0.10-1.Final_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-jboss-jsf-api_2.2_spec-0:2.2.13-5.SP2_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-jboss-marshalling-0:2.0.4-1.Final_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-jboss-server-migration-0:1.0.4-1.Final_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-jboss-weld-2.2-api-0:2.4.0-3.SP2_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-jboss-xnio-base-0:3.5.5-1.Final_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-jgroups-0:3.6.14-1.Final_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-mod_cluster-0:1.3.9-1.Final_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-picketbox-0:5.0.3-1.Final_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-picketlink-bindings-0:2.5.5-11.SP10_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-picketlink-federation-0:2.5.5-11.SP10_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-undertow-0:1.4.18-5.SP5_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-weld-core-0:2.4.7-1.Final_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-wildfly-0:7.1.2-1.GA_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-wildfly-elytron-0:1.1.9-1.Final_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-wildfly-elytron-tool-0:1.0.6-1.Final_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-wildfly-javadocs-0:7.1.2-1.GA_redhat_1.1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-wildfly-web-console-eap-0:2.9.16-2.Final_redhat_1.2.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 6Fixed in: eap7-jboss-ec2-eap-0:7.1.2-1.GA_redhat_1.ep7.el6

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-activemq-artemis-0:1.5.5.010-1.redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-hibernate-0:5.1.13-1.Final_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-infinispan-0:8.2.10-1.Final_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-ironjacamar-0:1.4.8-1.Final_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-jboss-ejb-client-0:4.0.10-1.Final_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-jboss-jsf-api_2.2_spec-0:2.2.13-5.SP2_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-jboss-marshalling-0:2.0.4-1.Final_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-jboss-server-migration-0:1.0.4-1.Final_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-jboss-weld-2.2-api-0:2.4.0-3.SP2_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-jboss-xnio-base-0:3.5.5-1.Final_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-jgroups-0:3.6.14-1.Final_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-mod_cluster-0:1.3.9-1.Final_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-picketbox-0:5.0.3-1.Final_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-picketlink-bindings-0:2.5.5-11.SP10_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-picketlink-federation-0:2.5.5-11.SP10_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-undertow-0:1.4.18-5.SP5_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-weld-core-0:2.4.7-1.Final_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-wildfly-javadocs-0:7.1.2-1.GA_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-wildfly-web-console-eap-0:2.9.16-2.Final_redhat_1.2.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-jboss-ec2-eap-0:7.1.2-1.GA_redhat_1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform Continuous DeliveryFixed in: undertow

redhatpatch availablevia redhat_api

Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: rhvm-appliance-0:4.2-20180828.0.el7

redhatpatch availablevia redhat_api

Product: Text-Only RHOAR

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-wildfly-0:7.1.2-1.GA_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-wildfly-elytron-0:1.1.9-1.Final_redhat_1.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 for RHEL 7Fixed in: eap7-wildfly-elytron-tool-0:1.0.6-1.Final_redhat_1.1.ep7.el7

redhatvendor investigatingvia nvd_reference

redhatno patchvia redhat_api

Product: Red Hat OpenShift Application RuntimesFixed in: undertow

redhatend of lifevia redhat_api

Product: Red Hat JBoss Fuse 6Fixed in: jbossweb

redhatend of lifevia redhat_api

Product: Red Hat JBoss Fuse Service Works 6Fixed in: jbossweb

redhatend of lifevia redhat_api

Product: Red Hat JBoss SOA Platform 5Fixed in: jbossweb

redhatend of lifevia redhat_api

Product: Red Hat JBoss BRMS 5Fixed in: jbossweb

Vendor Advisories (2)

mavenGHSA-47mp-rq2x-wjf2medium

Improper Neutralization of CRLF Sequences in HTTP Headers in Undertow

redhatCVE-2018-1067Moderate

undertow: HTTP header injection using CRLF with UTF-8 Encoding (incomplete fix of CVE-2016-4993)

References

access.redhat.com / errata/RHSA-2018:1247

Vendor Advisory

access.redhat.com / errata/RHSA-2018:1248

Vendor Advisory

access.redhat.com / errata/RHSA-2018:1249

Vendor Advisory

access.redhat.com / errata/RHSA-2018:1251

Vendor Advisory

access.redhat.com / errata/RHSA-2018:2643

Vendor Advisory

access.redhat.com / errata/RHSA-2019:0877

Vendor Advisory

bugzilla.redhat.com / show_bug.cgi

Issue TrackingVendor Advisory