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TI-2021-02928 Aliases CVE-2021-4040GHSA-gf8c-j759-86mg

Uncontrolled resource consumption in AMQ Broker

Priority LOW 30CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-400.

Summary

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.

Why it matters now

EPSS 0.03194 88th percentileScored 2026-11-07
Fix Fixed org.apache.activemq:artemis-core-client (Maven): 2.19.1Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—AMQ BrokerFixed in v2.19.1, v2.20.0—No fix listedCNA
—org.apache.activemq:artemis-core-client (Maven)before 2.19.12.19.1Patch availableGHSA-gf8c-j759-86mg
  • AMQ Broker Vendor— Affected Fixed in v2.19.1, v2.20.0 Fixed in — No fix listed CNA
  • org.apache.activemq:artemis-core-client (Maven) Vendor— Affected before 2.19.1 Fixed in 2.19.1 Patch available GHSA-gf8c-j759-86mg

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:redhat:amq_broker:*:*:*:*:*:*:*:*before 7.10.0VulnerableRed Hat
cpe:2.3:a:apache:artemis:*:*:*:*:*:*:*:*before 2.19.1VulnerableApache
  • cpe:2.3:a:redhat:amq_broker:*:*:*:*:*:*:*:* Versions before 7.10.0 Vulnerable ·Red Hat
  • cpe:2.3:a:apache:artemis:*:*:*:*:*:*:*:* Versions before 2.19.1 Vulnerable ·Apache

Remediation

  • Fix · GHSA-gf8c-j759-86mg org.apache.activemq:artemis-core-client (Maven) Fixed in 2.19.1 Advisory →

Red Hat 1 advisory

  • RHSA-2022:5101 Released 2022-06-16 · Red Hat rating Important
    Red Hat AMQ Broker 7.10.0 release and security update
    • Red Hat AMQ 7.10.0

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat AMQ 7.10.0Fixed RHSA-2022:5101

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-4040
  2. 2026-10-03 Alias added: GHSA-gf8c-j759-86mg

References

Sources