Bug 2495087 - CVE-2026-53916 activemq-cpp: Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: Unbounded header buffer in STOMP NIO codec [epel-all]
Summary: CVE-2026-53916 activemq-cpp: Apache ActiveMQ, Apache ActiveMQ All, Apache Act...
Keywords:
Status: NEW
Alias: None
Product: Fedora EPEL
Classification: Fedora
Component: activemq-cpp
Version: epel10
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Jonathan Wright
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["03bbac1e-37b7-48f3-a575-6...
Depends On:
Blocks: CVE-2026-53916
TreeView+ depends on / blocked
 
Reported: 2026-06-30 18:12 UTC by Jon Weiser
Modified: 2026-06-30 18:12 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description Jon Weiser 2026-06-30 18:12:36 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

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.
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