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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-50750

Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire DoS following fix for CVE-2026-49270

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Status
Published
Published
Updated
Assigning organization
apache

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apache Software Foundation Apache ActiveMQ Broker

Default version status: unaffected

  • 5.19.7 to < 5.19.8affected
  • 6.2.6 to < 6.2.7affected

Apache Software Foundation Apache ActiveMQ

Default version status: unaffected

  • 5.19.7 to < 5.19.8affected
  • 6.2.6 to < 6.2.7affected

Apache Software Foundation Apache ActiveMQ All

Default version status: unaffected

  • 5.19.7 to < 5.19.8affected
  • 6.2.6 to < 6.2.7affected

References