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CVE-2026-53916

Description
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.

Metadata

CVE ID
CVE-2026-53916
State
PUBLISHED
Assigner
apache
Reserved
2026-06-11 14:36 UTC
Published
2026-06-30 09:49 UTC
Last updated
2026-06-30 11:06 UTC
Primary CWE
CWE-789
CWE-789 Memory Allocation with Excessive Size Value
Vendor / Product
Apache Software Foundation / Apache ActiveMQ
Sources
cve.org  ·  NVD

Severity & Metrics

No CVSS data available.

Affected products (3)
VendorProductPlatformVersions
Apache Software Foundation Apache ActiveMQ — 0 < 5.19.8, 6.0.0 < 6.2.7
Apache Software Foundation Apache ActiveMQ All — 0 < 5.19.8, 6.0.0 < 6.2.7
Apache Software Foundation Apache ActiveMQ Stomp — 0 < 5.19.8, 6.0.0 < 6.2.7
Weakness (CWE)
CWESourceDescription
CWE-789 cna CWE-789 Memory Allocation with Excessive Size Value
References (1)
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