Use After Free Affecting redboltz/async_mqtt package, versions [0,]
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Test your applications- Snyk IDSNYK-UNMANAGED-REDBOLTZASYNCMQTT-14105132
- published25 Nov 2025
- disclosed24 Nov 2025
- creditUnknown
Introduced: 24 Nov 2025
NewCVE-2025-65503 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Use After Free via the destruction process of endpoint objects when an SSL initialization failure occurs, leading to an incorrect destruction order between io_context and endpoint objects. An attacker can cause a crash or application termination by triggering SSL initialization failures that result in use of freed memory.