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...

CVE-2025-27533: Memory Allocation with Excessive Size Value

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...