halfgaar FlashMQ

• CVE-2026-46411 Medium 6.5 FlashMQ: Client can trigger uncaught exception on FlashMQ 1.26.1 and older 0.3%
• CVE-2026-42209 Medium 6.5 FlashMQ: Division by zero crash when using non-default deferred retained message setting 0.4%
• CVE-2025-62723 Medium 4.3 FlashMQ does not release memory of queued QoS messages 0.3%