Uncontrolled resource consumption in AMQ Broker
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
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | AMQ Broker | Fixed in v2.19.1, v2.20.0 | — | No fix listed | CNA |
| — | org.apache.activemq:artemis-core-client (Maven) | before 2.19.1 | 2.19.1 | Patch available | GHSA-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
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 ImportantRed 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 →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat AMQ 7.10.0 | Fixed | RHSA-2022:5101 |
Timeline
- 2026-10-02 Threatist record created from CVE-2021-4040
- 2026-10-03 Alias added: GHSA-gf8c-j759-86mg
References
Patch 2
Advisory 3
Sources
- CVE-2021-4040 · CVE Program
- CVE-2021-4040 · NVD
- FIRST EPSS
- GHSA-gf8c-j759-86mg · GitHub Advisory Database · CC BY 4.0
- CVE-2021-4040 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences