CVE-2023-33656
NixOS vulnerability analysis and mitigation

Overview

A memory leak vulnerability was discovered in NanoMQ version 0.17.2, identified as CVE-2023-33656. The vulnerability is located in the message.c file and was disclosed on May 30, 2023 (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 5.5 (MEDIUM) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The weakness is categorized as CWE-770: Allocation of Resources Without Limits or Throttling (NVD).

Impact

An attacker could exploit this vulnerability to cause a denial of service attack by causing the program to consume all available memory resources (NVD).

Mitigation and workarounds

The issue has been addressed in subsequent versions of NanoMQ. Users should upgrade to a patched version of the software to mitigate this vulnerability (GitHub NanoMQ).

Additional resources


SourceThis report was generated using AI

Related NixOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-22783HIGH8.1
  • NixOSNixOS
  • iris
NoYesJan 12, 2026
CVE-2026-0821MEDIUM6.9
  • NixOSNixOS
  • quickjs
NoNoJan 10, 2026
CVE-2025-68949MEDIUM5.3
  • NixOSNixOS
  • n8n
NoYesJan 13, 2026
CVE-2026-22784LOW2.3
  • NixOSNixOS
  • lychee
NoYesJan 12, 2026
CVE-2026-23497LOW1.3
  • NixOSNixOS
  • learning
NoYesJan 14, 2026

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management