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CVE-2026-50750 Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Apache ActiveMQ Broker 6.2 | 6.2.6 → < 6.2.7 | 6.2.7 |
| Apache ActiveMQ Broker 5.19 | 5.19.7 → < 5.19.8 | 5.19.8 |
| Apache ActiveMQ 6.2 | 6.2.6 → < 6.2.7 | 6.2.7 |
| Apache ActiveMQ 5.19 | 5.19.7 → < 5.19.8 | 5.19.8 |
| Apache ActiveMQ All 6.2 | 6.2.6 → < 6.2.7 | 6.2.7 |
| Apache ActiveMQ All 5.19 | 5.19.7 → < 5.19.8 | 5.19.8 |
References
- lists.apache.org lists.apache.org
Timeline
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