CVE-2023-46120

Name: CVE-2023-46120
Creator: NVD / NIST
Published: 2023-10-25T18:17:36.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.06%

Last modified Jun 17, 2026

CVE-2023-46120 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. `maxBodyLebgth` was not used when receiving Message objects. EPSS estimates a 1.06% chance of exploitation in the next 30 days.

Description

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. `maxBodyLebgth` was not used when receiving Message objects. Attackers could send a very large Message causing a memory overflow and triggering an OOM Error. Users of RabbitMQ may suffer from DoS attacks from RabbitMQ Java client which will ultimately exhaust the memory of the consumer. This vulnerability was patched in version 5.18.0.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.06%

60.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Vmware	Rabbitmq Java Client	< 5.18.0

References

https://github.com/rabbitmq/rabbitmq-java-client/commit/714aae602dcae6cb4b53cadf009323ebac313cc8Patch
https://github.com/rabbitmq/rabbitmq-java-client/issues/1062Issue Tracking, Patch
https://github.com/rabbitmq/rabbitmq-java-client/releases/tag/v5.18.0Release Notes
https://github.com/rabbitmq/rabbitmq-java-client/security/advisories/GHSA-mm8h-8587-p46hExploit, Vendor Advisory
https://github.com/rabbitmq/rabbitmq-java-client/commit/714aae602dcae6cb4b53cadf009323ebac313cc8Patch
https://github.com/rabbitmq/rabbitmq-java-client/issues/1062Issue Tracking, Patch
https://github.com/rabbitmq/rabbitmq-java-client/releases/tag/v5.18.0Release Notes
https://github.com/rabbitmq/rabbitmq-java-client/security/advisories/GHSA-mm8h-8587-p46hExploit, Vendor Advisory

Timeline

Published: Oct 25, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-46120?

How severe is CVE-2023-46120?

CVE-2023-46120 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.

How do I fix CVE-2023-46120?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-46120?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST