Description

NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. MQTT v5 Variable Byte Integer parsing out-of-bounds: get_var_integer() accepts 5-byte varints without bounds checks; reliably triggers OOB read / crash when built with ASan. This affects 0.24.6 and earlier.

INFO

Published Date :

2026-03-11T15:22:32.463Z

Last Modified :

2026-03-11T15:35:36.678Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-21888 vulnerability.

Vendors Products
Emqx
  • Nanomq
Nanomq
  • Nanomq
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-21888.

URL Resource
https://github.com/nanomq/nanomq/issues/2192 cve-icon cve-icon
https://github.com/nanomq/nanomq/security/advisories/GHSA-cggc-6m7w-j7x5 cve-icon cve-icon
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