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CVE-2026-39304

Medium priority
Needs evaluation

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...

1 affected package

activemq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
activemq Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-40046

Medium priority
Needs evaluation

Integer Overflow or Wraparound vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT. The fix for "CVE-2025-66168: MQTT control packet remaining length field is not properly validated" was only applied to...

1 affected package

activemq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
activemq Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34197

High priority
Needs evaluation

Improper Input Validation, Improper Control of Generation of Code ('Code Injection') vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ. Apache ActiveMQ Classic exposes the Jolokia JMX-HTTP bridge at /api/jolokia/ on the web...

1 affected package

activemq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
activemq Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-33227

Medium priority
Needs evaluation

Improper validation and restriction of a classpath path name vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ Web, Apache ActiveMQ. In two instances (when creating a Stomp...

1 affected package

activemq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
activemq Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-27446

Medium priority
Needs evaluation

Missing Authentication for Critical Function (CWE-306) vulnerability in Apache Artemis, Apache ActiveMQ Artemis. An unauthenticated remote attacker can use the Core protocol to force a target broker to establish an outbound Core...

1 affected package

activemq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
activemq Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2025-66168

Medium priority
Needs evaluation

WARNING: Users of 6.x should upgrade to 6.2.4 or later as the fix was missed in previous 6.x releases. See theĀ  following for more details: https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt ...

1 affected package

activemq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
activemq Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2025-27533

Medium priority
Needs evaluation

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ. During unmarshalling of OpenWire commands the size value of buffers was not properly validated which could lead to excessive memory allocation and...

1 affected package

activemq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
activemq Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2022-41678

Medium priority

Some fixes available 4 of 6

Once an user is authenticated on Jolokia, he can potentially trigger arbitrary code execution. In details, in ActiveMQ configurations, jetty allows org.jolokia.http.AgentServlet to handler request to...

1 affected package

activemq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
activemq Not affected Fixed Fixed Fixed
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CVE-2023-46604

High priority

Some fixes available 4 of 6

The Java OpenWire protocol marshaller is vulnerable to Remote Code Execution. This vulnerability may allow a remote attacker with network access to either a Java-based OpenWire broker or client to run arbitrary shell commands by...

1 affected package

activemq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
activemq Not affected Fixed Fixed Fixed
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CVE-2022-35278

Medium priority
Needs evaluation

In Apache ActiveMQ Artemis prior to 2.24.0, an attacker could show malicious content and/or redirect users to a malicious URL in the web console by using HTML in the name of an address or queue.

2 affected packages

artemis, activemq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
artemis Needs evaluation Needs evaluation Needs evaluation Needs evaluation
activemq Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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