The Apache Commons Collections library provides new interfaces, implementations, and utilities to extend the features of the Java Collections Framework. Security Fix: * apache-commons-collections: InvokerTransformer code execution during deserialisation For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed : 1279330 - CVE-2015-7501 apache-commons-collections: InvokerTransformer code execution during deserialisation 6. Package List: Red Hat Software Collections for Red Hat Enterprise Linux Server : Source: rh-maven35-apache-commons-collections4-4.0-7.3.el7.src.rpm noarch: rh-maven35-apache-commons-collections4-4.0-7.3.el7.noarch.rpm rh-maven35-apache-commons-collections4-javadoc-4.0-7.3.el7.noarch.rpm Red Hat Software Collections for Red Hat Enterprise Linux Server : Source: rh-maven35-apache-commons-collections4-4.0-7.3.el7.src.rpm noarch: rh-maven35-apache-commons-collections4-4.0-7.3.el7.noarch.rpm rh-maven35-apache-commons-collections4-javadoc-4.0-7.3.el7.noarch.rpm Red Hat Software Collections for Red Hat Enterprise Linux Server EUS : Source: rh-maven35-apache-commons-collections4-4.0-7.3.el7.src.rpm noarch: rh-maven35-apache-commons-collections4-4.0-7.3.el7.noarch.rpm rh-maven35-apache-commons-collections4-javadoc-4.0-7.3.el7.noarch.rpm Red Hat Software Collections for Red Hat Enterprise Linux Server EUS : Source: rh-maven35-apache-commons-collections4-4.0-7.3.el7.src.rpm noarch: rh-maven35-apache-commons-collections4-4.0-7.3.el7.noarch.rpm rh-maven35-apache-commons-collections4-javadoc-4.0-7.3.el7.noarch.rpm Red Hat Software Collections for Red Hat Enterprise Linux Workstation : Source: rh-maven35-apache-commons-collections4-4.0-7.3.el7.src.rpm noarch: rh-maven35-apache-commons-collections4-4.0-7.3.el7.noarch.rpm rh-maven35-apache-commons-collections4-javadoc-4.0-7.3.el7.noarch.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2015-7501 https://access.redhat.com/security/updates/classification/#important