CVE-2017-12174

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-03-07 · updated 2026-06-17
Weakness: CWE-400

Description

It was found that when Artemis and HornetQ before 2.4.0 are configured with UDP discovery and JGroups discovery a huge byte array is created when receiving an unexpected multicast message. This may result in a heap memory exhaustion, full GC, or OutOfMemoryError.

Affected products

Apache Software Foundation Apache ActiveMQ Artemis: before 2.4.0 — fixed in 2.4.0
HornetQ REST: before 2.4.0 — fixed in 2.4.0
Red Hat JBoss EAP: 6.4.0, 7.1.0, 6.0.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache ActiveMQ Artemis 2.4.0; HornetQ REST 2.4.0. Check the vendor advisory for mitigations.

References

https://access.redhat.com/errata/RHSA-2018:0268
https://access.redhat.com/errata/RHSA-2018:0269
https://access.redhat.com/errata/RHSA-2018:0270
https://access.redhat.com/errata/RHSA-2018:0271
https://access.redhat.com/errata/RHSA-2018:0275
https://access.redhat.com/errata/RHSA-2018:0478
https://access.redhat.com/errata/RHSA-2018:0479
https://access.redhat.com/errata/RHSA-2018:0480
https://access.redhat.com/errata/RHSA-2018:0481
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12174
https://lists.apache.org/thread.html/rb2fd3bf2dce042e0ab3f3c94c4767c96bb2e7e6737624d63162df36d%40%3Ccommits.activemq.apache.org%3E
https://lists.apache.org/thread.html/rc96ad63f148f784c84ea7f0a178c84a8985c6afccabbcd9847a82088%40%3Ccommits.activemq.apache.org%3E

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