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Vulnerability record · CVE-2016-4993 · published 26 September 2016

CVE-2016-4993: Redhat jboss enterprise application platform vulnerability

Redhat · Jboss Enterprise Application Platform

CRLF injection vulnerability in the Undertow web server in WildFly 10.0.0, as used in Red Hat JBoss Enterprise Application Platform (EAP) 7.x before 7.0.2, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.

6.1 CVSS 3.0 Medium EPSS 2.6% · top 15.5% CWE-93 · CWE-93CWE-113 · CWE-113
6.1CVSS 3.0 base score, v2 4.3
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
22References
17 Jun 2026Last modified by NVD

Description

CRLF injection vulnerability in the Undertow web server in WildFly 10.0.0, as used in Red Hat JBoss Enterprise Application Platform (EAP) 7.x before 7.0.2, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://rhn.redhat.com/errata/RHSA-2016-1838.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1839.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1840.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1841.html Third Party Advisory
http://www.securityfocus.com/bid/92894
http://www.securitytracker.com/id/1036758 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:3454
https://access.redhat.com/errata/RHSA-2017:3455
https://access.redhat.com/errata/RHSA-2017:3456
https://access.redhat.com/errata/RHSA-2017:3458
https://bugzilla.redhat.com/show_bug.cgi?id=1344321 Issue TrackingThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1838.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1839.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1840.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1841.html Third Party Advisory
http://www.securityfocus.com/bid/92894
http://www.securitytracker.com/id/1036758 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:3454
https://access.redhat.com/errata/RHSA-2017:3455
https://access.redhat.com/errata/RHSA-2017:3456
https://access.redhat.com/errata/RHSA-2017:3458
https://bugzilla.redhat.com/show_bug.cgi?id=1344321 Issue TrackingThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2016-4993), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.