Debian 9 Stretch DLA-2583-1 Critical: ActiveMQ Threats and Updates

CVE-2017-15709

When using the OpenWire protocol in activemq, it was found that
certain system details (such as the OS and kernel version) are
exposed as plain text.

CVE-2018-11775

TLS hostname verification when using the Apache ActiveMQ Client
was missing which could make the client vulnerable to a MITM
attack between a Java application using the ActiveMQ client and
the ActiveMQ server. This is now enabled by default.

CVE-2019-0222

Unmarshalling corrupt MQTT frame can lead to broker Out of Memory
exception making it unresponsive

CVE-2021-26117

The optional ActiveMQ LDAP login module can be configured to use
anonymous access to the LDAP server. The anonymous context is used
to verify a valid users password in error, resulting in no check
on the password.

For Debian 9 stretch, these problems have been fixed in version
5.14.3-3+deb9u2.

We recommend that you upgrade your activemq packages.

For the detailed security status of activemq please refer to