Apache Software Foundation Apache Activemq Client vulnerabilities
4 known vulnerabilities affecting apache_software_foundation/apache_activemq_client.
Total CVEs
4
CISA KEV
0
Public exploits
0
Exploited in wild
0
Severity breakdown
HIGH3MEDIUM1
Vulnerabilities
Page 1 of 1
CVE-2026-50734P3HIGHCVSS 7.5fixed in 5.19.8≥ 6.0.0, < 6.2.72026-06-30
CVE-2026-50734 [HIGH] CWE-789 CVE-2026-50734: Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ Client, Apache ActiveMQ
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 the broker to attempt allocation during pre-auth negotia
nvd
CVE-2026-53917P3HIGHCVSS 7.5fixed in 5.19.8≥ 6.0.0, < 6.2.72026-06-30
CVE-2026-53917 [HIGH] CWE-789 CVE-2026-53917: Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, A
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 property maps are unmarshaled without size validation which
nvd
CVE-2026-39304P3HIGHCVSS 7.5fixed in 5.19.4≥ 6.0.0, < 6.2.42026-04-10
CVE-2026-39304 [HIGH] CWE-400 CVE-2026-39304: Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker,
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 the broker to exhaust all its memory in the SSL engine
nvd
CVE-2026-33227P4MEDIUMCVSS 4.3fixed in 5.19.3≥ 6.0.0, < 6.2.22026-04-07
CVE-2026-33227 [MEDIUM] CWE-22 CVE-2026-33227: Improper validation and restriction of a classpath path name vulnerability in Apache ActiveMQ Cli
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 consumer and also browsing messages in the Web console) an authenticated user provided "key" value could be constructed to trav
nvd