CVE-2025-65503

5.5 mediumEPSS 0.2%

Medium (5.5) in redboltz async mqtt. EPSS 0.2% chance of exploitation in the next 30 days.

Use after free in endpoint destructors in Redboltz async_mqtt 10.2.5 allows local users to cause a denial of service via triggering SSL initialization failure that results in incorrect destruction order between io_context and endpoint objects.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2025-11-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

redboltz:async_mqtt

References

https://github.com/redboltz/async_mqtt/issues/436
https://github.com/redboltz/async_mqtt/pull/437

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