CVE-2025-62723 – FlashMQ does not release memory of queued QoS messages

CVE ID : CVE-2025-62723

Published : Oct. 24, 2025, 8:16 p.m. | 27 minutes ago

Description : FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.23.2, any authenticated user can create sessions and have them collect QoS messages. When not sent to a client, these are then not released upon (eventual) session expiration. Version 1.23.2 fixes the issue.

Severity: 0.0 | NA

Visit the link for more details, such as CVSS details, affected products, timeline, and more…