SB2026012309 - Denial of service in NanoMQ
Published: January 23, 2026
Security Bulletin ID
SB2026012309
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-66023)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the MQTT bridge client component. A remote administrator can cause a denial of service condition on the target system.
Remediation
Install update from vendor's website.