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CVE-2026-50734 Apache ActiveMQ Client, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire memory-allocation DoS during wire format negotiation

🗓️ 30 Jun 2026 09:53:03Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 1 Views

Pre-auth OpenWire DoS in ActiveMQ via oversized WireFormatInfo frame causing OOM; upgrade to 6.2.7 or 5.19.8.

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08 Jul 2026 08:09Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.00796
1