PT-2025-47917 · Redboltz · Async Mqtt

Published 2025-11-24 · Updated 2025-12-11 · CVE-2025-65503

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Redboltz async mqtt version 10.2.5

Description A use-after-free issue exists in endpoint destructors within Redboltz async mqtt. This flaw allows local users to trigger a denial of service by causing an SSL initialization failure, which leads to an incorrect destruction order between io context and endpoint objects.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2025-65503

Affected Products

Async Mqtt

References · 8

• https://github.com/redboltz/async_mqtt/issues/436 · Patch
• https://github.com/redboltz/async_mqtt/pull/437 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-65503 · Security Note
• https://osv.dev/vulnerability/CVE-2025-65503 · Vendor Advisory
• https://t.me/cveNotify/145519 · Telegram Post
• https://t.me/CVEtracker/38081 · Telegram Post
• https://twitter.com/CVEnew/status/1992962972876968079 · Twitter Post
• https://t.me/cveNotify/143799 · Telegram Post