Unrated severityNVD Advisory· Published Oct 24, 2025· Updated Oct 24, 2025
FlashMQ does not release memory of queued QoS messages
CVE-2025-62723
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- github.com/halfgaar/FlashMQ/commit/e86c49360ef4387440c97f591770cdb9284b4ee9mitrex_refsource_MISC
- github.com/halfgaar/FlashMQ/issues/154mitrex_refsource_MISC
- github.com/halfgaar/FlashMQ/security/advisories/GHSA-7mhp-22q4-r6vvmitrex_refsource_CONFIRM
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