UpHeron
All vulnerabilities

Servers and applications

CVE-2021-4040

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.

Severity
Medium 5.3
Published
24 Aug 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.19.1
Sources
NVD

Affected software

SoftwareAffected versions
Apache ActiveMQ ArtemisServers and applications · cpe:a:apache:artemis
  • Every version before 2.19.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-4040
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-4040