CVE-2025-65503

MEDIUM

Redboltz async_mqtt 10.2.5 - Use-After-Free in Endpoint Destructors

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Exploit, Issue Tracking, Patch
https://github.com/redboltz/async_mqtt/issues/436

Scores

CVSS v3 5.5
EPSS 0.0019
EPSS Percentile 8.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (1)
redboltz/async_mqtt 10.2.5
Published Nov 24, 2025
Tracked Since Feb 18, 2026