Important CentOS apache-commons-collections Security Update


apache-commons-collections-3.2.1-22.el7_2.noarch.rpm, apache-commons-collections-3.2.1-22.el7_2.src.rpm, apache-commons-collections-javadoc-3.2.1-22.el7_2.noarch.rpm, apache-commons-collections-testframework-3.2.1-22.el7_2.noarch.rpm, apache-commons-collections-testframework-javadoc-3.2.1-22.el7_2.noarch.rpm,
2018-01-18 11:11
2017-11-30 19:33
2017-11-09 20:38
2017-07-27 19:10
2017-04-01 19:09
2017-01-05 20:13


Updated apache-commons-collections packages that fix one security issue are
now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.

The Apache Commons Collections library provides new interfaces,
implementations, and utilities to extend the features of the Java
Collections Framework.

It was found that the Apache commons-collections library permitted code
execution when deserializing objects involving a specially constructed
chain of classes. A remote attacker could use this flaw to execute
arbitrary code with the permissions of the application using the
commons-collections library. (CVE-2015-7501)

With this update, deserialization of certain classes in the
commons-collections library is no longer allowed. Applications that require
those classes to be deserialized can use the system property
"org.apache.commons.collections.enableUnsafeSerialization" to re-enable
their deserialization.

Further information about this security flaw may be found at:

All users of apache-commons-collections are advised to upgrade to these
updated packages, which contain a backported patch to correct this issue.
All running applications using the commons-collections library must be
restarted for the update to take effect.
Please see

Am I vulnerable?

The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.

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Affected package information

Release Package Patched in
7 apache-commons-collections apache-commons-collections-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections apache-commons-collections-3.2.1-22.el7_2.src.rpm
apache-commons-collections-javadoc apache-commons-collections-javadoc-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections-testframework apache-commons-collections-testframework-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections-testframework-javadoc apache-commons-collections-testframework-javadoc-3.2.1-22.el7_2.noarch.rpm