CVE-2020-14340: Medium severity redhat Xnio vulnerability

Published Jul 24, 2020
·
Updated

A flaw was found in xnio. A file descriptor leak caused by growing amounts of NIO Selector file, handled between garbage collection cycles, may allow the attacker to cause a denial of service. The highest threat from this vulnerability is to system availability.

Other sources

A vulnerability was discovered in XNIO where file descriptor leak caused by growing amounts of NIO Selector file handles between garbage collection cycles. It may allow the attacker to cause a denial of service.

It affects XNIO versions 3.6.0.Beta1 through 3.8.1.Final.

— Red Hat

Affected Software

109 affected componentsFixes available
redhat/eap7-activemq-artemis<0:2.9.0-5.redhat_00011.1.el6ea
0:2.9.0-5.redhat_00011.1.el6ea
redhat/eap7-activemq-artemis-native<1:1.0.2-1.redhat_00001.1.el6ea
1:1.0.2-1.redhat_00001.1.el6ea
redhat/eap7-apache-commons-codec<0:1.14.0-1.redhat_00001.1.el6ea
0:1.14.0-1.redhat_00001.1.el6ea
redhat/eap7-apache-commons-lang<0:3.10.0-1.redhat_00001.1.el6ea
0:3.10.0-1.redhat_00001.1.el6ea
redhat/eap7-apache-cxf<0:3.3.7-1.redhat_00001.1.el6ea
0:3.3.7-1.redhat_00001.1.el6ea
redhat/eap7-artemis-native<1:1.0.2-3.redhat_1.el6ea
1:1.0.2-3.redhat_1.el6ea
redhat/eap7-bouncycastle<0:1.65.0-1.redhat_00001.1.el6ea
0:1.65.0-1.redhat_00001.1.el6ea
redhat/eap7-glassfish-jsf<0:2.3.9-11.SP12_redhat_00001.1.el6ea
0:2.3.9-11.SP12_redhat_00001.1.el6ea
redhat/eap7-hal-console<0:3.2.10-1.Final_redhat_00001.1.el6ea
0:3.2.10-1.Final_redhat_00001.1.el6ea
redhat/eap7-hibernate<0:5.3.18-1.Final_redhat_00001.1.el6ea
0:5.3.18-1.Final_redhat_00001.1.el6ea
redhat/eap7-httpcomponents-client<0:4.5.12-1.redhat_00001.1.el6ea
0:4.5.12-1.redhat_00001.1.el6ea
redhat/eap7-httpcomponents-core<0:4.4.13-1.redhat_00001.1.el6ea
0:4.4.13-1.redhat_00001.1.el6ea
redhat/eap7-jberet<0:1.3.7-1.Final_redhat_00001.1.el6ea
0:1.3.7-1.Final_redhat_00001.1.el6ea
redhat/eap7-jboss-invocation<0:1.5.3-1.Final_redhat_00001.1.el6ea
0:1.5.3-1.Final_redhat_00001.1.el6ea
redhat/eap7-jboss-logmanager<0:2.1.17-1.Final_redhat_00001.1.el6ea
0:2.1.17-1.Final_redhat_00001.1.el6ea
redhat/eap7-jboss-server-migration<0:1.7.2-2.Final_redhat_00002.1.el6ea
0:1.7.2-2.Final_redhat_00002.1.el6ea
redhat/eap7-jboss-xnio-base<0:3.7.9-1.Final_redhat_00001.1.el6ea
0:3.7.9-1.Final_redhat_00001.1.el6ea
redhat/eap7-jgroups<0:4.1.10-1.Final_redhat_00001.1.el6ea
0:4.1.10-1.Final_redhat_00001.1.el6ea
redhat/eap7-narayana<0:5.9.9-1.Final_redhat_00001.1.el6ea
0:5.9.9-1.Final_redhat_00001.1.el6ea
redhat/eap7-picketbox<0:5.0.3-8.Final_redhat_00007.1.el6ea
0:5.0.3-8.Final_redhat_00007.1.el6ea
redhat/eap7-picketlink-bindings<0:2.5.5-25.SP12_redhat_00013.1.el6ea
0:2.5.5-25.SP12_redhat_00013.1.el6ea
redhat/eap7-snakeyaml<0:1.26.0-1.redhat_00001.1.el6ea
0:1.26.0-1.redhat_00001.1.el6ea
redhat/eap7-undertow<0:2.0.31-1.SP1_redhat_00001.1.el6ea
0:2.0.31-1.SP1_redhat_00001.1.el6ea
redhat/eap7-velocity<0:2.2.0-1.redhat_00001.1.el6ea
0:2.2.0-1.redhat_00001.1.el6ea
redhat/eap7-wildfly<0:7.3.3-4.GA_redhat_00004.1.el6ea
0:7.3.3-4.GA_redhat_00004.1.el6ea
redhat/eap7-wildfly-elytron<0:1.10.8-1.Final_redhat_00001.1.el6ea
0:1.10.8-1.Final_redhat_00001.1.el6ea
redhat/eap7-wildfly-transaction-client<0:1.1.13-1.Final_redhat_00001.1.el6ea
0:1.1.13-1.Final_redhat_00001.1.el6ea
redhat/eap7-xerces-j2<0:2.12.0-2.SP03_redhat_00001.1.el6ea
0:2.12.0-2.SP03_redhat_00001.1.el6ea
redhat/eap7-activemq-artemis<0:2.9.0-5.redhat_00011.1.el7ea
0:2.9.0-5.redhat_00011.1.el7ea
redhat/eap7-activemq-artemis-native<1:1.0.2-1.redhat_00001.1.el7ea
1:1.0.2-1.redhat_00001.1.el7ea
redhat/eap7-apache-commons-codec<0:1.14.0-1.redhat_00001.1.el7ea
0:1.14.0-1.redhat_00001.1.el7ea
redhat/eap7-apache-commons-lang<0:3.10.0-1.redhat_00001.1.el7ea
0:3.10.0-1.redhat_00001.1.el7ea
redhat/eap7-apache-cxf<0:3.3.7-1.redhat_00001.1.el7ea
0:3.3.7-1.redhat_00001.1.el7ea
redhat/eap7-artemis-native<1:1.0.2-3.redhat_1.el7ea
1:1.0.2-3.redhat_1.el7ea
redhat/eap7-bouncycastle<0:1.65.0-1.redhat_00001.1.el7ea
0:1.65.0-1.redhat_00001.1.el7ea
redhat/eap7-glassfish-jsf<0:2.3.9-11.SP12_redhat_00001.1.el7ea
0:2.3.9-11.SP12_redhat_00001.1.el7ea
redhat/eap7-hal-console<0:3.2.10-1.Final_redhat_00001.1.el7ea
0:3.2.10-1.Final_redhat_00001.1.el7ea
redhat/eap7-hibernate<0:5.3.18-1.Final_redhat_00001.1.el7ea
0:5.3.18-1.Final_redhat_00001.1.el7ea
redhat/eap7-httpcomponents-client<0:4.5.12-1.redhat_00001.1.el7ea
0:4.5.12-1.redhat_00001.1.el7ea
redhat/eap7-httpcomponents-core<0:4.4.13-1.redhat_00001.1.el7ea
0:4.4.13-1.redhat_00001.1.el7ea
redhat/eap7-jberet<0:1.3.7-1.Final_redhat_00001.1.el7ea
0:1.3.7-1.Final_redhat_00001.1.el7ea
redhat/eap7-jboss-invocation<0:1.5.3-1.Final_redhat_00001.1.el7ea
0:1.5.3-1.Final_redhat_00001.1.el7ea
redhat/eap7-jboss-logmanager<0:2.1.17-1.Final_redhat_00001.1.el7ea
0:2.1.17-1.Final_redhat_00001.1.el7ea
redhat/eap7-jboss-server-migration<0:1.7.2-2.Final_redhat_00002.1.el7ea
0:1.7.2-2.Final_redhat_00002.1.el7ea
redhat/eap7-jboss-xnio-base<0:3.7.9-1.Final_redhat_00001.1.el7ea
0:3.7.9-1.Final_redhat_00001.1.el7ea
redhat/eap7-jgroups<0:4.1.10-1.Final_redhat_00001.1.el7ea
0:4.1.10-1.Final_redhat_00001.1.el7ea
redhat/eap7-narayana<0:5.9.9-1.Final_redhat_00001.1.el7ea
0:5.9.9-1.Final_redhat_00001.1.el7ea
redhat/eap7-picketbox<0:5.0.3-8.Final_redhat_00007.1.el7ea
0:5.0.3-8.Final_redhat_00007.1.el7ea
redhat/eap7-picketlink-bindings<0:2.5.5-25.SP12_redhat_00013.1.el7ea
0:2.5.5-25.SP12_redhat_00013.1.el7ea
redhat/eap7-snakeyaml<0:1.26.0-1.redhat_00001.1.el7ea
0:1.26.0-1.redhat_00001.1.el7ea
redhat/eap7-undertow<0:2.0.31-1.SP1_redhat_00001.1.el7ea
0:2.0.31-1.SP1_redhat_00001.1.el7ea
redhat/eap7-velocity<0:2.2.0-1.redhat_00001.1.el7ea
0:2.2.0-1.redhat_00001.1.el7ea
redhat/eap7-wildfly<0:7.3.3-4.GA_redhat_00004.1.el7ea
0:7.3.3-4.GA_redhat_00004.1.el7ea
redhat/eap7-wildfly-elytron<0:1.10.8-1.Final_redhat_00001.1.el7ea
0:1.10.8-1.Final_redhat_00001.1.el7ea
redhat/eap7-wildfly-transaction-client<0:1.1.13-1.Final_redhat_00001.1.el7ea
0:1.1.13-1.Final_redhat_00001.1.el7ea
redhat/eap7-xerces-j2<0:2.12.0-2.SP03_redhat_00001.1.el7ea
0:2.12.0-2.SP03_redhat_00001.1.el7ea
redhat/eap7-activemq-artemis<0:2.9.0-5.redhat_00011.1.el8ea
0:2.9.0-5.redhat_00011.1.el8ea
redhat/eap7-activemq-artemis-native<1:1.0.2-1.redhat_00001.1.el8ea
1:1.0.2-1.redhat_00001.1.el8ea
redhat/eap7-apache-commons-codec<0:1.14.0-1.redhat_00001.1.el8ea
0:1.14.0-1.redhat_00001.1.el8ea
redhat/eap7-apache-commons-lang<0:3.10.0-1.redhat_00001.1.el8ea
0:3.10.0-1.redhat_00001.1.el8ea
redhat/eap7-apache-cxf<0:3.3.7-1.redhat_00001.1.el8ea
0:3.3.7-1.redhat_00001.1.el8ea
redhat/eap7-artemis-native<1:1.0.2-3.redhat_1.el8ea
1:1.0.2-3.redhat_1.el8ea
redhat/eap7-bouncycastle<0:1.65.0-1.redhat_00001.1.el8ea
0:1.65.0-1.redhat_00001.1.el8ea
redhat/eap7-glassfish-jsf<0:2.3.9-11.SP12_redhat_00001.1.el8ea
0:2.3.9-11.SP12_redhat_00001.1.el8ea
redhat/eap7-hal-console<0:3.2.10-1.Final_redhat_00001.1.el8ea
0:3.2.10-1.Final_redhat_00001.1.el8ea
redhat/eap7-hibernate<0:5.3.18-1.Final_redhat_00001.1.el8ea
0:5.3.18-1.Final_redhat_00001.1.el8ea
redhat/eap7-httpcomponents-client<0:4.5.12-1.redhat_00001.1.el8ea
0:4.5.12-1.redhat_00001.1.el8ea
redhat/eap7-httpcomponents-core<0:4.4.13-1.redhat_00001.1.el8ea
0:4.4.13-1.redhat_00001.1.el8ea
redhat/eap7-jberet<0:1.3.7-1.Final_redhat_00001.1.el8ea
0:1.3.7-1.Final_redhat_00001.1.el8ea
redhat/eap7-jboss-invocation<0:1.5.3-1.Final_redhat_00001.1.el8ea
0:1.5.3-1.Final_redhat_00001.1.el8ea
redhat/eap7-jboss-logmanager<0:2.1.17-1.Final_redhat_00001.1.el8ea
0:2.1.17-1.Final_redhat_00001.1.el8ea
redhat/eap7-jboss-server-migration<0:1.7.2-2.Final_redhat_00002.1.el8ea
0:1.7.2-2.Final_redhat_00002.1.el8ea
redhat/eap7-jboss-xnio-base<0:3.7.9-1.Final_redhat_00001.1.el8ea
0:3.7.9-1.Final_redhat_00001.1.el8ea
redhat/eap7-jgroups<0:4.1.10-1.Final_redhat_00001.1.el8ea
0:4.1.10-1.Final_redhat_00001.1.el8ea
redhat/eap7-narayana<0:5.9.9-1.Final_redhat_00001.1.el8ea
0:5.9.9-1.Final_redhat_00001.1.el8ea
redhat/eap7-picketbox<0:5.0.3-8.Final_redhat_00007.1.el8ea
0:5.0.3-8.Final_redhat_00007.1.el8ea
redhat/eap7-picketlink-bindings<0:2.5.5-25.SP12_redhat_00013.1.el8ea
0:2.5.5-25.SP12_redhat_00013.1.el8ea
redhat/eap7-snakeyaml<0:1.26.0-1.redhat_00001.1.el8ea
0:1.26.0-1.redhat_00001.1.el8ea
redhat/eap7-undertow<0:2.0.31-1.SP1_redhat_00001.1.el8ea
0:2.0.31-1.SP1_redhat_00001.1.el8ea
redhat/eap7-velocity<0:2.2.0-1.redhat_00001.1.el8ea
0:2.2.0-1.redhat_00001.1.el8ea
redhat/eap7-wildfly<0:7.3.3-4.GA_redhat_00004.1.el8ea
0:7.3.3-4.GA_redhat_00004.1.el8ea
redhat/eap7-wildfly-elytron<0:1.10.8-1.Final_redhat_00001.1.el8ea
0:1.10.8-1.Final_redhat_00001.1.el8ea
redhat/eap7-wildfly-transaction-client<0:1.1.13-1.Final_redhat_00001.1.el8ea
0:1.1.13-1.Final_redhat_00001.1.el8ea
redhat/eap7-xerces-j2<0:2.12.0-2.SP03_redhat_00001.1.el8ea
0:2.12.0-2.SP03_redhat_00001.1.el8ea
redhat/xnio<3.7.9.
3.7.9.
redhat/xnio<3.8.2.
3.8.2.
redhat/xnio<3.9.0.
3.9.0.
redhat Xnio>=3.6.1<3.7.9
redhat Xnio>=3.8.0<3.8.2
redhat Xnio=3.6.0-beta1
redhat Xnio=3.6.0-beta2
redhat Jboss Brms=5
redhat Jboss Brms=6
redhat Jboss Data Grid=6.0.0
redhat Jboss Data Grid=7.0.0
redhat Jboss Data Virtualization=6.0.0
redhat JBoss Enterprise Application Platform=5.0.0
redhat JBoss Enterprise Application Platform=6.0.0
redhat Jboss Fuse=6.0.0
redhat Jboss Fuse=7.0.0
redhat JBoss Operations Network=3.0
redhat Jboss Soa Platform=5
Oracle Communications Cloud Native Core Console=1.9.0
Oracle Communications Cloud Native Core Network Repository Function=1.14.0
Oracle Communications Cloud Native Core Policy=1.14.0
Oracle Communications Cloud Native Core Security Edge Protection Proxy=1.15.0
Oracle Communications Cloud Native Core Service Communication Proxy=1.14.0
Oracle Communications Cloud Native Core Unified Data Repository=1.14.0
IBM watsonx.data intelligence<=5.2.0, 5.2.1, 5.3.0, 5.3.1

Remediation

Patch Available

https://www.oracle.com/security-alerts/cpuapr2022.html

Patch Available

https://www.oracle.com/security-alerts/cpujan2022.html

Event History

Jul 24, 2020
CVE Published
12:00 AM
Jun 2, 2021
CVE Published
via MITRE·12:04 PM
Data Sourced
via MITRE·12:04 PM
DescriptionWeakness
Apr 27, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2020-14340?

CVE-2020-14340 has been identified with a high severity level due to its potential impact on system availability.

2

How do I fix CVE-2020-14340?

To remediate CVE-2020-14340, it is recommended to upgrade affected xnio packages to versions 3.7.9, 3.8.2, or 3.9.0 or later.

3

What systems are affected by CVE-2020-14340?

CVE-2020-14340 affects various Red Hat products including eap7-activemq-artemis and eap7-activemq-artemis-native, among others.

4

What type of vulnerability is CVE-2020-14340?

CVE-2020-14340 is a file descriptor leak vulnerability that can lead to denial of service.

5

What versions of xnio are vulnerable to CVE-2020-14340?

Versions of xnio prior to 3.7.9 are vulnerable to CVE-2020-14340.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203