CVE-2021-4040

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    CVE-2021-4040

    Published: 24 Aug 2022Last Modified: 8 Jul 2026

    Summary:

    Details: 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.

    References: https://access.redhat.com/security/cve/CVE-2021-4040, https://bugzilla.redhat.com/show_bug.cgi?id=2028254, https://github.com/apache/activemq-artemis/pull/3871/commits, https://issues.apache.org/jira/browse/ARTEMIS-3593

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -95c2508a469806dda5253d2e4eb8888563274d4f

    Affected versions

    2.19.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-4040 | CVE-DB