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CVE-2026-59878 Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All: AMQP NIO negative frame size validation bypass leading to DoS

🗓️ 28 Jul 2026 13:33:54Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 6 Views

Remote unauthenticated AMQP NIO frame size bypass in ActiveMQ causes DoS; upgrade.

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12 Aug 2026 03:51Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.5
6