Bug 2494845 (CVE-2026-50750) - CVE-2026-50750 activemq: Apache ActiveMQ: Denial of Service via repeated BrokerInfo commands
Summary: CVE-2026-50750 activemq: Apache ActiveMQ: Denial of Service via repeated Brok...
Keywords:
Status: NEW
Alias: CVE-2026-50750
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-30 11:02 UTC by OSIDB Bzimport
Modified: 2026-06-30 16:42 UTC (History)
56 users (show)

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Description OSIDB Bzimport 2026-06-30 11:02:30 UTC 
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 broker will crash with OOM.
This issue affects Apache ActiveMQ Broker: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ All: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7.

Users are recommended to upgrade to version 6.2.7, which fixes the issue.
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