BIT-ACTIVEMQ-2026-53917 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker: Unbounded memory allocation in OpenWire property unmarshalling

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker. An authenticated user can cause a broker DoS by sending a crafted OpenWire Message with a large encoded size value for the map. OpenWire message...

Linux Distros Unpatched Vulnerability : CVE-2026-53917

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, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker. An...

CVE-2026-53917

A flaw was found in Apache ActiveMQ. An authenticated user can exploit this vulnerability by sending a specially crafted OpenWire Message with an excessively large encoded size value for the message property map. This lack of size validation during unmarshaling can lead to an out-of-memory error,...

DEBIAN-CVE-2026-53917

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker. An authenticated user can cause a broker DoS by sending a crafted OpenWire Message with a large encoded size value for the map. OpenWire message...

CVE-2026-53917

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker. An authenticated user can cause a broker DoS by sending a crafted OpenWire Message with a large encoded size value for the map. OpenWire message...

UBUNTU-CVE-2026-53917

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker. An authenticated user can cause a broker DoS by sending a crafted OpenWire Message with a large encoded size value for the map. OpenWire message...

CVE-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...

CVE-2026-50734

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ Client, Apache ActiveMQ, and Apache ActiveMQ All allows an unauthenticated network attacker to cause a broker DoS by sending a crafted WireFormatInfo frame with a malicious large size value. The broker may allocate memor...

CVE-2026-50750 Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire DoS following fix for CVE-2026-49270

Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. Following the fix for CVE-2026-49270 an unauthenticated attacker can now cause broker OOM by sending an repeated BrokerInfo commands without sending a ConnectionInfo, until the broke...

CVE-2026-53917 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker: Unbounded memory allocation in OpenWire property unmarshalling

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker. An authenticated user can cause a broker DoS by sending a crafted OpenWire Message with a large encoded size value for the map. OpenWire message...

EUVD-2026-40277

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker. An authenticated user can cause a broker DoS by sending a crafted OpenWire Message with a large encoded size value for the map. OpenWire message...

CVE-2026-53917

CVE-2026-53917 describes an unbounded memory allocation vulnerability in OpenWire property unmarshalling in Apache ActiveMQ and related builds. An authenticated user can send a crafted OpenWire Message with a very large encoded size value for a message property map, causing OpenWire maps to be un...

PT-2026-53845

Name of the Vulnerable Software and Affected Versions Apache ActiveMQ versions prior to 5.19.8 Apache ActiveMQ versions 6.0.0 through 6.2.6 Apache ActiveMQ All versions prior to 5.19.8 Apache ActiveMQ All versions 6.0.0 through 6.2.6 Apache ActiveMQ Client versions prior to 5.19.8 Apache ActiveMQ...

ROOT-APP-MAVEN-CVE-2025-27533 CVE-2025-27533 in io.root.org.apache.activemq:activemq-openwire-legacy - Patched by Root

Root has patched CVE-2025-27533 in the io.root.org.apache.activemq:activemq-openwire-legacy package for Root:Maven. Multiple fixed versions available...

Incorrect Authorization

Apache Artemis is vulnerable to Incorrect Authorization. The vulnerability is due to incorrect authorization, where an authenticated user with the 'createDurableQueue' permission but without the 'createAddress' permission can create a temporary address when attempting to create a non-durable JMS...

Linux Distros Unpatched Vulnerability : CVE-2026-32642

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Incorrect Authorization CWE-863 vulnerability in Apache Artemis, Apache ActiveMQ Artemis exists when an application using the OpenWire protocol attempts to crea...

org.apache.artemis:apache-artemis (>=2.50.0 <=2.52.0), org.apache.artemis:artemis-features (>=2.50.0 <=2.52.0) +1 more potentially affected by CVE-2026-32642 via org.apache.artemis:artemis-openwire-protocol (>=2.50.0 <=2.52.0)

org.apache.artemis:artemis-openwire-protocol MAVEN version =2.50.0, =2.50.0, =2.50.0, =2.50.0, =2.52.0 Source cves: CVE-2026-32642 Source advisory: SNYK:JAVA-ORGAPACHEARTEMIS-15791525...

com.io7m.jsay:com.io7m.jsay (=0.0.2), com.jkoolcloud.tnt4j.streams:tnt4j-streams-jms (>=1.14.2 <=2.3.0) +5 more potentially affected by CVE-2026-32642 via org.apache.activemq:artemis-openwire-protocol (>=2.0.0 <=2.4.0)

org.apache.activemq:artemis-openwire-protocol MAVEN version =2.0.0, =1.14.2, =0.1.0, =0.1.0, =2.0.0, =2.31.1, =2.29.0, =2.44.0 Source cves: CVE-2026-32642 Source advisory: OSV:GHSA-F4GC-MWRG-Q36R...

GHSA-F4GC-MWRG-Q36R Apache Artemis: Unauthorized Temporary Address Creation via OpenWire Protocol

Incorrect Authorization CWE-863 vulnerability in Apache Artemis, Apache ActiveMQ Artemis exists when an application using the OpenWire protocol attempts to create a non-durable JMS topic subscription on an address that doesn't exist with an authenticated user which has the "createDurableQueue"...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the OpenWire protocol when an authenticated user with the createDurableQueue permission but without the createAddress permission attempts to create a non-durable JMS topic subscription on a non-existent addres...