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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Redboltz
  • Async Mqtt

No data.

No data.

References
Link Providers
https://github.com/redboltz/async_mqtt/issues/436 cve-icon cve-icon
https://github.com/redboltz/async_mqtt/pull/437 cve-icon cve-icon
History

Wed, 26 Nov 2025 11:15:00 +0000

Type Values Removed Values Added
First Time appeared Redboltz
Redboltz async Mqtt
Vendors & Products Redboltz
Redboltz async Mqtt

Mon, 24 Nov 2025 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 24 Nov 2025 14:15:00 +0000

Type Values Removed Values Added
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
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-24T18:20:27.884Z

Reserved: 2025-11-18T00:00:00.000Z

Link: CVE-2025-65503

cve-icon Vulnrichment

Updated: 2025-11-24T18:19:56.770Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-11-24T14:15:48.253

Modified: 2025-11-25T22:16:16.690

Link: CVE-2025-65503

cve-icon Redhat

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