CVE-2026-50750
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache ActiveMQ Broker | 5.19.7 < 5.19.8 | affected |
| Apache Software Foundation | Apache ActiveMQ Broker | 6.2.6 < 6.2.7 | affected |
| Apache Software Foundation | Apache ActiveMQ | 5.19.7 < 5.19.8 | affected |
| Apache Software Foundation | Apache ActiveMQ | 6.2.6 < 6.2.7 | affected |
| Apache Software Foundation | Apache ActiveMQ All | 5.19.7 < 5.19.8 | affected |
| Apache Software Foundation | Apache ActiveMQ All | 6.2.6 < 6.2.7 | affected |
Weaknesses
- Denial of Service via Out of Memory
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
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