ROOT-APP-MAVEN-CVE-2026-39304 CVE-2026-39304 in org.apache.activemq:activemq-client - Patched by Root

Root has patched CVE-2026-39304 in the org.apache.activemq:activemq-client package for Root:Maven. Multiple fixed versions available...

ROOT-APP-MAVEN-CVE-2026-33227 CVE-2026-33227 in io.root.org.apache.activemq:activemq-client - Patched by Root

Root has patched CVE-2026-33227 in the io.root.org.apache.activemq:activemq-client package for Root:Maven. Multiple fixed versions available...

ROOT-APP-MAVEN-CVE-2023-46604 CVE-2023-46604 in io.root.org.apache.activemq:activemq-client - Patched by Root

Root has patched CVE-2023-46604 in the io.root.org.apache.activemq:activemq-client package for Root:Maven. Multiple fixed versions available...

BIT-ACTIVEMQ-2026-50734 Apache ActiveMQ Client, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire memory-allocation DoS during wire format negotiation

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ Client, Apache ActiveMQ, Apache ActiveMQ All. An unauthenticated network attacker can cause a broker DoS by sending a crafted WireFormatInfo frame with a malicious large size value. The value is not validate and causes t...

Linux Distros Unpatched Vulnerability : CVE-2026-50734

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ Client, Apache ActiveMQ, Apache ActiveMQ All. An unauthenticated network attacker c...

Memory Allocation with Excessive Size Value

Overview org.apache.activemq:activemq-client is a high performance Apache 2.0 licensed Message Broker and JMS 1.1 implementation. Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the WireFormatInfo negotiation process. An attacker can cause the...

Memory Allocation with Excessive Size Value

Overview org.apache.activemq:activemq-client is a high performance Apache 2.0 licensed Message Broker and JMS 1.1 implementation. Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the unmarshalling process of OpenWire message property maps without...

EUVD-2026-40282

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ Client, Apache ActiveMQ, Apache ActiveMQ All. An unauthenticated network attacker can cause a broker DoS by sending a crafted WireFormatInfo frame with a malicious large size value. The value is not validate and causes t...

CVE-2026-50734

An unauthenticated network attacker can cause a Denial of Service (DoS) on an Apache ActiveMQ broker by sending a crafted WireFormatInfo frame containing a malicious large size value. The broker fails to validate this value during pre-authentication negotiation, triggering an Out of Memory (OOM) ...

CVE-2026-50734

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ Client, Apache ActiveMQ, Apache ActiveMQ All. An unauthenticated network attacker can cause a broker DoS by sending a crafted WireFormatInfo frame with a malicious large size value. The value is not validate and causes t...

OESA-2026-2124 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...

OESA-2026-2126 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...

BIT-ACTIVEMQ-2026-39304 Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Incorrect handling of TLSv1.3 KeyUpdate can be exploited to cause DoS via OOM

Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ. ActiveMQ NIO SSL transports do not correctly handle TLSv1.3 handshake KeyUpdates triggered by clients. This makes it possible for a client to rapidly trigger updates which causes...

Apache ActiveMQ: Denial of Service via Out of Memory vulnerability

Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ. ActiveMQ NIO SSL transports do not correctly handle TLSv1.3 handshake KeyUpdates triggered by clients. This makes it possible for a client to rapidly trigger updates which causes...

Allocation of Resources Without Limits or Throttling

Overview org.apache.activemq:activemq-client is a high performance Apache 2.0 licensed Message Broker and JMS 1.1 implementation. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in NIO SSL transport processing. An attacker can cause the...

CVE-2026-39304

Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ. ActiveMQ NIO SSL transports do not correctly handle TLSv1.3 handshake KeyUpdates triggered by clients. This makes it possible for a client to rapidly trigger updates which causes...

CVE-2026-39304 Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Incorrect handling of TLSv1.3 KeyUpdate can be exploited to cause DoS via OOM

Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ. ActiveMQ NIO SSL transports do not correctly handle TLSv1.3 handshake KeyUpdates triggered by clients. This makes it possible for a client to rapidly trigger updates which causes...

CVE-2026-39304

The Apache ActiveMQ messaging middleware (including Client and Broker components) is vulnerable to a Denial of Service (DoS) via Out of Memory (OOM) . The root cause is the incorrect handling of TLSv1.3 handshake KeyUpdates within the ActiveMQ NIO SSL transports . A malicious client can rapidly t...

CVE-2026-39304 Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Incorrect handling of TLSv1.3 KeyUpdate can be exploited to cause DoS via OOM

Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ. ActiveMQ NIO SSL transports do not correctly handle TLSv1.3 handshake KeyUpdates triggered by clients. This makes it possible for a client to rapidly trigger updates which causes...

PT-2026-31892

Name of the Vulnerable Software and Affected Versions Apache ActiveMQ Client versions before 5.19.4, from 6.0.0 through 6.2.3 Apache ActiveMQ Broker versions before 5.19.4, from 6.0.0 through 6.2.3 Apache ActiveMQ versions before 5.19.4, from 6.0.0 through 6.2.3 Description A denial of service...