Apache ActiveMQ 5.16.x < 5.16.8 / 5.17.x < 5.17.7 / 5.18.x < 5.18.7 / 6.x < 6.1.6 DoS (CVE-2025-27533)

The version of Apache ActiveMQ running on the remote host is 5.16.x prior to 5.16.8, 5.17.x prior to 5.17.7, 5.18.x prior to 5.18.7, or 6.x prior to 6.1.6. It is, therefore, affected by a denial of service vulneraiblity: - During unmarshalling of OpenWire commands the size value of buffers was no...

Apache ActiveMQ 6.1.6 - Denial of Service (DOS)

Exploit Title: Apache ActiveMQ 6.1.6 - Denial of Service DOS Date: 2025-05-9 Exploit Author: Abdualhadi khalifa https://x.com/absholi7ly/ Github: https://github.com/absholi7ly/CVE-2025-27533-Exploit-for-Apache-ActiveMQ CVE: CVE-2025-27533 import socket import struct import time import datetime...

Apache ActiveMQ: Unchecked buffer length can cause excessive memory allocation

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 be exploited to cause a denial of service DoS by depleting process memor...

CVE-2025-27533

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 be exploited to cause a denial of service DoS by depleting process memor...

DEBIAN-CVE-2025-27533

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 be exploited to cause a denial of service DoS by depleting process memor...

CVE-2025-27533

CVE-2025-27533 in Apache ActiveMQ stems from unchecked buffer length during OpenWire unmarshalling, allowing excessive memory allocation and DoS. Affected versions include 6.0.0–6.1.5, 5.18.0–5.18.6, 5.17.0–5.17.6, 5.16.0–5.16.7; 5.19.0 is not affected. If not using mutual TLS, brokers may be vul...

CVE-2025-27533 Apache ActiveMQ: Unchecked buffer length can cause excessive memory allocation

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 be exploited to cause a denial of service DoS by depleting process memor...

CVE-2025-27533 Apache ActiveMQ: Unchecked buffer length can cause excessive memory allocation

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 be exploited to cause a denial of service DoS by depleting process memor...

CVE-2025-27533 Apache ActiveMQ: Unchecked buffer length can cause excessive memory allocation

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 be exploited to cause a denial of service DoS by depleting process memor...

CVE-2025-27533

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 be exploited to cause a denial of service DoS by depleting process memor...

PT-2025-19995

Name of the Vulnerable Software and Affected Versions Apache ActiveMQ versions 6.0.0 through 6.1.6 Apache ActiveMQ versions 5.18.0 through 5.18.7 Apache ActiveMQ versions 5.17.0 through 5.17.7 Apache ActiveMQ versions prior to 5.16.8 Description The issue is related to a Memory Allocation with...

artemis-commons: Apache ActiveMQ Artemis DoS

In Apache ActiveMQ Artemis prior to 2.20.0 or 2.19.1, an attacker could partially disrupt availability DoS through uncontrolled resource consumption of memory...

Apache ActiveMQ NMS Body Deserialization of Untrusted Data Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Apache ActiveMQ NMS. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the Body...

Apache ActiveMQ NMS OpenWire Client Deserialization Vulnerability

Apache ActiveMQ NMS OpenWire Client is an American Apache Apache Foundation . A deserialization vulnerability exists in Apache ActiveMQ NMS OpenWire Client versions prior to 2.1.1, which arises from unsafe deserialization of serialized data received by an application from a user and can be...

artemis-commons: Apache ActiveMQ Artemis DoS

In Apache ActiveMQ Artemis prior to 2.20.0 or 2.19.1, an attacker could partially disrupt availability DoS through uncontrolled resource consumption of memory...

CVE-2025-29953

Deserialization of Untrusted Data vulnerability in Apache ActiveMQ NMS OpenWire Client. This issue affects Apache ActiveMQ NMS OpenWire Client before 2.1.1 when performing connections to untrusted servers. Such servers could abuse the unbounded deserialization in the client to provide malicious...

GHSA-9G64-R942-FVMP Apache ActiveMQ NMS OpenWire Client Deserialization of Untrusted Data vulnerability

Deserialization of Untrusted Data vulnerability in Apache ActiveMQ NMS OpenWire Client. This issue affects Apache ActiveMQ NMS OpenWire Client before 2.1.1 when performing connections to untrusted servers. Such servers could abuse the unbounded deserialization in the client to provide malicious...

CVE-2025-29953

Deserialization of Untrusted Data vulnerability in Apache ActiveMQ NMS OpenWire Client. This issue affects Apache ActiveMQ NMS OpenWire Client before 2.1.1 when performing connections to untrusted servers. Such servers could abuse the unbounded deserialization in the client to provide malicious...

CVE-2025-29953

Apache ActiveMQ NMS OpenWire Client (before 2.1.1) is affected by a Deserialization of Untrusted Data vulnerability. Untrusted servers can abuse unbounded deserialization to potentially achieve arbitrary code execution on the client. A 2.1.0 denial/allowlist feature was introduced but could be by...

CVE-2025-29953 Apache ActiveMQ NMS OpenWire Client: deserialization allowlist bypass

Deserialization of Untrusted Data vulnerability in Apache ActiveMQ NMS OpenWire Client. This issue affects Apache ActiveMQ NMS OpenWire Client before 2.1.1 when performing connections to untrusted servers. Such servers could abuse the unbounded deserialization in the client to provide malicious...