CVE Catalog

CVE-2025-65503

MediumCVSS 5.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.24%

15th percentile - higher than 15% of all known CVEs

Summary

A use-after-free vulnerability exists in endpoint destructors in Redboltz async_mqtt 10.2.5. It can be triggered by local users through an SSL initialization failure, resulting in incorrect destruction order between io_context and endpoint objects.

Risk Assessment

This vulnerability allows local users to perform a denial of service attack by crashing or hanging the application. It can affect the availability of services using this library.

Recommendation

Update the async_mqtt library to a version containing the fix. Restrict local access to trusted users.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS