CVE-2021-4040

5.3 MEDIUM

A flaw was found in AMQ Broker

Published: 2022-08-24 · Last updated: 2026-06-15

Severity and scoring

CVSS: 5.3 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE: CWE-400, CWE-787

Affected products

Vendor	Product
apache	amq_broker, artemis
redhat	amq_broker, artemis

Description

A flaw was found in AMQ Broker. This issue can cause a partial interruption to the availability of AMQ Broker via an Out of memory (OOM) condition. This flaw allows an attacker to partially disrupt availability to the broker through a sustained attack of maliciously crafted messages. The highest threat from this vulnerability is system availability.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-4040
[Vendor advisory]https://access.redhat.com/security/cve/CVE-2021-4040
[Vendor advisory]https://bugzilla.redhat.com/show_bug.cgi?id=2028254
[Patch]https://github.com/apache/activemq-artemis/pull/3871/commits
[Patch]https://issues.apache.org/jira/browse/ARTEMIS-3593
[Vendor advisory]https://access.redhat.com/security/cve/CVE-2021-4040
[Vendor advisory]https://bugzilla.redhat.com/show_bug.cgi?id=2028254
[Patch]https://github.com/apache/activemq-artemis/pull/3871/commits
[Patch]https://issues.apache.org/jira/browse/ARTEMIS-3593

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