Memory Allocation with Excessive Size Value Affecting org.apache.activemq:apache-activemq package, versions [,5.19.8)[6.0.0,6.2.7)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Social Trends
EPSS
0.54% (43rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-JAVA-ORGAPACHEACTIVEMQ-17739000
  • published30 Jun 2026
  • disclosed30 Jun 2026
  • creditAndrej Tomci

Introduced: 30 Jun 2026

CVE-2026-50734  (opens in a new tab)
CWE-789  (opens in a new tab)

How to fix?

Upgrade org.apache.activemq:apache-activemq to version 5.19.8, 6.2.7 or higher.

Overview

org.apache.activemq:apache-activemq is a Message Broker and Client implementations.

Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the WireFormatInfo negotiation process. An attacker can cause the broker to allocate excessive memory and crash by sending a specially crafted frame with a large size value during pre-authentication negotiation.

CVSS Base Scores

version 4.0
version 3.1