Severity: important Affected versions:
- Apache ActiveMQ Broker (org.apache.activemq:activemq-broker) 5.19.7 before 5.19.8 - Apache ActiveMQ Broker (org.apache.activemq:activemq-broker) 6.2.6 before 6.2.7 - Apache ActiveMQ (org.apache.activemq:apache-activemq) 5.19.7 before 5.19.8 - Apache ActiveMQ (org.apache.activemq:apache-activemq) 6.2.6 before 6.2.7 - Apache ActiveMQ All (org.apache.activemq:activemq-all) 5.19.7 before 5.19.8 - Apache ActiveMQ All (org.apache.activemq:activemq-all) 6.2.6 before 6.2.7 Description: Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. Following the fix for CVE-2026-49270 an unauthenticated attacker can now cause broker OOM by sending an repeated BrokerInfo commands without sending a ConnectionInfo, until the broker will crash with OOM. This issue affects Apache ActiveMQ Broker: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ All: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7. Users are recommended to upgrade to version 6.2.7, which fixes the issue. References: https://activemq.apache.org/ https://www.cve.org/CVERecord?id=CVE-2026-50750 --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected] For further information, visit: https://activemq.apache.org/contact
