High [CVE-2026-59878] Improper Input Validation vulnerability in Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All
This high-severity Apache Software Foundation advisory covers CVE-2026-59878 affecting Apache ActiveMQ AMQP, Apache ActiveMQ All.
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Summary
Improper Input Validation vulnerability in Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All.
A remote unauthenticated peer that can reach an exposed AMQP NIO connector can trigger denial-of-service behavior by sending a frame size value. This cause the NIO threads to die and if done rapidly enough can lead to exhaustion of the NIO thread pool denying service to other connections.
This issue affects Apache ActiveMQ AMQP: before 5.19.9, from 6.0.0 before 6.2.8; Apache ActiveMQ: before 5.19.9, from 6.0.0 before 6.2.8; Apache ActiveMQ All: before 5.19.9, from 6.0.0 before 6.2.8.
Users are recommended to upgrade to version 5.19.9, 6.2.8, or 6.3.0 which fixes the issue.
- 6.0.0 through 6.2.8
- 6.0.0 through 6.2.8.
Official advisory · high-confidence parse· fetched 3 months ago·verify at source
- 5.19.9
- 6.2.8
- 6.3.0
Official advisory · high-confidence parse· fetched 3 months ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 5.19.9, 6.2.8, or 6.3.0 which fixes the issue.
Official advisory · high-confidence parse· fetched 3 months ago·verify at source
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