CVE-2016-4993

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-09-26 · updated 2026-06-17
Weakness: CWE-93

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.

Affected products

Red Hat JBoss EAP: through 7.0.1
Red Hat, Inc. wildfly: 10.0.0

References

http://rhn.redhat.com/errata/RHSA-2016-1838.html
http://rhn.redhat.com/errata/RHSA-2016-1839.html
http://rhn.redhat.com/errata/RHSA-2016-1840.html
http://rhn.redhat.com/errata/RHSA-2016-1841.html
http://www.securityfocus.com/bid/92894
http://www.securitytracker.com/id/1036758
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
http://rhn.redhat.com/errata/RHSA-2016-1838.html

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