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Vulnerability Details CVE-2026-53916

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp. An unauthenticated client that opens a STOMP NIO connection can send header bytes that never terminate which makes the broker buffer them without limit, exhausting the JVM heap. This issue affects Apache ActiveMQ: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ All: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ Stomp: before 5.19.8, from 6.0.0 before 6.2.7. Users are recommended to upgrade to version 6.2.7 or 5.19.8, which fixes the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 52.0%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-53916
  • Apache » Activemq » Version: N/A
    cpe:2.3:a:apache:activemq:-
  • Apache » Activemq » Version: 4.0
    cpe:2.3:a:apache:activemq:4.0
  • Apache » Activemq » Version: 4.0.1
    cpe:2.3:a:apache:activemq:4.0.1
  • Apache » Activemq » Version: 4.0.2
    cpe:2.3:a:apache:activemq:4.0.2
  • Apache » Activemq » Version: 4.1.0
    cpe:2.3:a:apache:activemq:4.1.0
  • Apache » Activemq » Version: 4.1.1
    cpe:2.3:a:apache:activemq:4.1.1
  • Apache » Activemq » Version: 4.1.2
    cpe:2.3:a:apache:activemq:4.1.2
  • Apache » Activemq » Version: 5.0.0
    cpe:2.3:a:apache:activemq:5.0.0
  • Apache » Activemq » Version: 5.1.0
    cpe:2.3:a:apache:activemq:5.1.0
  • Apache » Activemq » Version: 5.10.0
    cpe:2.3:a:apache:activemq:5.10.0
  • Apache » Activemq » Version: 5.10.1
    cpe:2.3:a:apache:activemq:5.10.1
  • Apache » Activemq » Version: 5.10.2
    cpe:2.3:a:apache:activemq:5.10.2
  • Apache » Activemq » Version: 5.11.0
    cpe:2.3:a:apache:activemq:5.11.0
  • Apache » Activemq » Version: 5.11.1
    cpe:2.3:a:apache:activemq:5.11.1
  • Apache » Activemq » Version: 5.11.2
    cpe:2.3:a:apache:activemq:5.11.2
  • Apache » Activemq » Version: 5.11.3
    cpe:2.3:a:apache:activemq:5.11.3
  • Apache » Activemq » Version: 5.12.0
    cpe:2.3:a:apache:activemq:5.12.0
  • Apache » Activemq » Version: 5.12.1
    cpe:2.3:a:apache:activemq:5.12.1
  • Apache » Activemq » Version: 5.12.2
    cpe:2.3:a:apache:activemq:5.12.2
  • Apache » Activemq » Version: 5.12.3
    cpe:2.3:a:apache:activemq:5.12.3
  • Apache » Activemq » Version: 5.13.0
    cpe:2.3:a:apache:activemq:5.13.0
  • Apache » Activemq » Version: 5.13.1
    cpe:2.3:a:apache:activemq:5.13.1
  • Apache » Activemq » Version: 5.13.2
    cpe:2.3:a:apache:activemq:5.13.2
  • Apache » Activemq » Version: 5.13.3
    cpe:2.3:a:apache:activemq:5.13.3
  • Apache » Activemq » Version: 5.13.4
    cpe:2.3:a:apache:activemq:5.13.4
  • Apache » Activemq » Version: 5.13.5
    cpe:2.3:a:apache:activemq:5.13.5
  • Apache » Activemq » Version: 5.14.0
    cpe:2.3:a:apache:activemq:5.14.0
  • Apache » Activemq » Version: 5.14.1
    cpe:2.3:a:apache:activemq:5.14.1
  • Apache » Activemq » Version: 5.14.2
    cpe:2.3:a:apache:activemq:5.14.2
  • Apache » Activemq » Version: 5.14.3
    cpe:2.3:a:apache:activemq:5.14.3
  • Apache » Activemq » Version: 5.14.4
    cpe:2.3:a:apache:activemq:5.14.4
  • Apache » Activemq » Version: 5.14.5
    cpe:2.3:a:apache:activemq:5.14.5
  • Apache » Activemq » Version: 5.15.0
    cpe:2.3:a:apache:activemq:5.15.0
  • Apache » Activemq » Version: 5.15.1
    cpe:2.3:a:apache:activemq:5.15.1
  • Apache » Activemq » Version: 5.15.10
    cpe:2.3:a:apache:activemq:5.15.10
  • Apache » Activemq » Version: 5.15.11
    cpe:2.3:a:apache:activemq:5.15.11
  • Apache » Activemq » Version: 5.15.12
    cpe:2.3:a:apache:activemq:5.15.12
  • Apache » Activemq » Version: 5.15.13
    cpe:2.3:a:apache:activemq:5.15.13
  • Apache » Activemq » Version: 5.15.14
    cpe:2.3:a:apache:activemq:5.15.14
  • Apache » Activemq » Version: 5.15.15
    cpe:2.3:a:apache:activemq:5.15.15
  • Apache » Activemq » Version: 5.15.16
    cpe:2.3:a:apache:activemq:5.15.16
  • Apache » Activemq » Version: 5.15.2
    cpe:2.3:a:apache:activemq:5.15.2
  • Apache » Activemq » Version: 5.15.3
    cpe:2.3:a:apache:activemq:5.15.3
  • Apache » Activemq » Version: 5.15.4
    cpe:2.3:a:apache:activemq:5.15.4
  • Apache » Activemq » Version: 5.15.5
    cpe:2.3:a:apache:activemq:5.15.5
  • Apache » Activemq » Version: 5.15.6
    cpe:2.3:a:apache:activemq:5.15.6
  • Apache » Activemq » Version: 5.15.7
    cpe:2.3:a:apache:activemq:5.15.7
  • Apache » Activemq » Version: 5.15.8
    cpe:2.3:a:apache:activemq:5.15.8
  • Apache » Activemq » Version: 5.15.9
    cpe:2.3:a:apache:activemq:5.15.9
  • Apache » Activemq » Version: 5.16.0
    cpe:2.3:a:apache:activemq:5.16.0
  • Apache » Activemq » Version: 5.16.1
    cpe:2.3:a:apache:activemq:5.16.1
  • Apache » Activemq » Version: 5.16.2
    cpe:2.3:a:apache:activemq:5.16.2
  • Apache » Activemq » Version: 5.16.3
    cpe:2.3:a:apache:activemq:5.16.3
  • Apache » Activemq » Version: 5.16.4
    cpe:2.3:a:apache:activemq:5.16.4
  • Apache » Activemq » Version: 5.16.5
    cpe:2.3:a:apache:activemq:5.16.5
  • Apache » Activemq » Version: 5.16.6
    cpe:2.3:a:apache:activemq:5.16.6
  • Apache » Activemq » Version: 5.16.7
    cpe:2.3:a:apache:activemq:5.16.7
  • Apache » Activemq » Version: 5.16.8
    cpe:2.3:a:apache:activemq:5.16.8
  • Apache » Activemq » Version: 5.17.0
    cpe:2.3:a:apache:activemq:5.17.0
  • Apache » Activemq » Version: 5.17.1
    cpe:2.3:a:apache:activemq:5.17.1
  • Apache » Activemq » Version: 5.17.2
    cpe:2.3:a:apache:activemq:5.17.2
  • Apache » Activemq » Version: 5.17.3
    cpe:2.3:a:apache:activemq:5.17.3
  • Apache » Activemq » Version: 5.17.4
    cpe:2.3:a:apache:activemq:5.17.4
  • Apache » Activemq » Version: 5.17.5
    cpe:2.3:a:apache:activemq:5.17.5
  • Apache » Activemq » Version: 5.17.6
    cpe:2.3:a:apache:activemq:5.17.6
  • Apache » Activemq » Version: 5.17.7
    cpe:2.3:a:apache:activemq:5.17.7
  • Apache » Activemq » Version: 5.18.0
    cpe:2.3:a:apache:activemq:5.18.0
  • Apache » Activemq » Version: 5.18.1
    cpe:2.3:a:apache:activemq:5.18.1
  • Apache » Activemq » Version: 5.18.2
    cpe:2.3:a:apache:activemq:5.18.2
  • Apache » Activemq » Version: 5.18.3
    cpe:2.3:a:apache:activemq:5.18.3
  • Apache » Activemq » Version: 5.18.4
    cpe:2.3:a:apache:activemq:5.18.4
  • Apache » Activemq » Version: 5.18.5
    cpe:2.3:a:apache:activemq:5.18.5
  • Apache » Activemq » Version: 5.18.6
    cpe:2.3:a:apache:activemq:5.18.6
  • Apache » Activemq » Version: 5.18.7
    cpe:2.3:a:apache:activemq:5.18.7
  • Apache » Activemq » Version: 5.19.0
    cpe:2.3:a:apache:activemq:5.19.0
  • Apache » Activemq » Version: 5.19.2
    cpe:2.3:a:apache:activemq:5.19.2
  • Apache » Activemq » Version: 5.19.3
    cpe:2.3:a:apache:activemq:5.19.3
  • Apache » Activemq » Version: 5.19.4
    cpe:2.3:a:apache:activemq:5.19.4
  • Apache » Activemq » Version: 5.19.6
    cpe:2.3:a:apache:activemq:5.19.6
  • Apache » Activemq » Version: 5.19.7
    cpe:2.3:a:apache:activemq:5.19.7
  • Apache » Activemq » Version: 5.2.0
    cpe:2.3:a:apache:activemq:5.2.0
  • Apache » Activemq » Version: 5.3.0
    cpe:2.3:a:apache:activemq:5.3.0
  • Apache » Activemq » Version: 5.3.1
    cpe:2.3:a:apache:activemq:5.3.1
  • Apache » Activemq » Version: 5.3.2
    cpe:2.3:a:apache:activemq:5.3.2
  • Apache » Activemq » Version: 5.4.0
    cpe:2.3:a:apache:activemq:5.4.0
  • Apache » Activemq » Version: 5.4.1
    cpe:2.3:a:apache:activemq:5.4.1
  • Apache » Activemq » Version: 5.4.2
    cpe:2.3:a:apache:activemq:5.4.2
  • Apache » Activemq » Version: 5.4.3
    cpe:2.3:a:apache:activemq:5.4.3
  • Apache » Activemq » Version: 5.5.0
    cpe:2.3:a:apache:activemq:5.5.0
  • Apache » Activemq » Version: 5.5.1
    cpe:2.3:a:apache:activemq:5.5.1
  • Apache » Activemq » Version: 5.6.0
    cpe:2.3:a:apache:activemq:5.6.0
  • Apache » Activemq » Version: 5.7.0
    cpe:2.3:a:apache:activemq:5.7.0
  • Apache » Activemq » Version: 5.8.0
    cpe:2.3:a:apache:activemq:5.8.0
  • Apache » Activemq » Version: 5.9.0
    cpe:2.3:a:apache:activemq:5.9.0
  • Apache » Activemq » Version: 5.9.1
    cpe:2.3:a:apache:activemq:5.9.1
  • Apache » Activemq » Version: 6.0.0
    cpe:2.3:a:apache:activemq:6.0.0
  • Apache » Activemq » Version: 6.0.1
    cpe:2.3:a:apache:activemq:6.0.1
  • Apache » Activemq » Version: 6.1.0
    cpe:2.3:a:apache:activemq:6.1.0
  • Apache » Activemq » Version: 6.1.1
    cpe:2.3:a:apache:activemq:6.1.1
  • Apache » Activemq » Version: 6.1.2
    cpe:2.3:a:apache:activemq:6.1.2
  • Apache » Activemq » Version: 6.1.3
    cpe:2.3:a:apache:activemq:6.1.3
  • Apache » Activemq » Version: 6.1.4
    cpe:2.3:a:apache:activemq:6.1.4
  • Apache » Activemq » Version: 6.1.5
    cpe:2.3:a:apache:activemq:6.1.5
  • Apache » Activemq » Version: 6.1.6
    cpe:2.3:a:apache:activemq:6.1.6
  • Apache » Activemq » Version: 6.1.7
    cpe:2.3:a:apache:activemq:6.1.7
  • Apache » Activemq » Version: 6.1.8
    cpe:2.3:a:apache:activemq:6.1.8
  • Apache » Activemq » Version: 6.1.9
    cpe:2.3:a:apache:activemq:6.1.9
  • Apache » Activemq » Version: 6.2.0
    cpe:2.3:a:apache:activemq:6.2.0
  • Apache » Activemq » Version: 6.2.2
    cpe:2.3:a:apache:activemq:6.2.2
  • Apache » Activemq » Version: 6.2.3
    cpe:2.3:a:apache:activemq:6.2.3
  • Apache » Activemq » Version: 6.2.4
    cpe:2.3:a:apache:activemq:6.2.4
  • Apache » Activemq » Version: 6.2.5
    cpe:2.3:a:apache:activemq:6.2.5
  • Apache » Activemq » Version: 6.2.6
    cpe:2.3:a:apache:activemq:6.2.6


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