CVE-2026-49432 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: STOMP negative content-length enables denial of service

Improper Input Validation vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp. A remote unauthenticated peer that can reach an exposed STOMP connector can trigger denial-of-service behavior by sending a negative content-length. For the NIO STOMP transport, an attacker can...

OESA-2026-2125 activemq security update

The most popular and powerful open source messaging and Integration Patterns server. Security Fixes: 'Severity: low \n\nAffected versions:\n\n- Apache ActiveMQ Client org.apache.activemq:activemq-client before 5.19.3\n- Apache ActiveMQ Client org.apache.activemq:activemq-client 6.0.0 before...