Use After Free Affecting emqx/nanomq package, versions [,0.24.3-5)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.37% (30th percentile)

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  • Snyk IDSNYK-UNMANAGED-EMQXNANOMQ-14723354
  • published29 Dec 2025
  • disclosed27 Dec 2025
  • creditUnknown

Introduced: 27 Dec 2025

CVE-2025-59946  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade emqx/nanomq to version 0.24.3-5 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free via the sub info list. attacker can achieve arbitrary code execution or cause a crash by exploiting a race condition that leads to accessing freed memory.

CVSS Base Scores

version 4.0
version 3.1