CVE-2025-65503

5.5 MEDIUM
Published: November 24, 2025 Modified: December 11, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/redboltz/async_mqtt/issues/436
Source: cve@mitre.org
Exploit Issue Tracking Patch
https://github.com/redboltz/async_mqtt/pull/437
Source: cve@mitre.org
Issue Tracking Patch

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.0%
10th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

redboltz