CVE-2026-21888

HIGH

7.5

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung7.5

SchweregradHIGH

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht3/11/2026

Zuletzt geandert3/17/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

emqx:nanomq

Schwachen (CWE)

CWE-125

Referenzen

https://github.com/nanomq/nanomq/issues/2192(security-advisories@github.com)

https://github.com/nanomq/nanomq/security/advisories/GHSA-cggc-6m7w-j7x5(security-advisories@github.com)

IOC Korrelationen

Keine Korrelationen erfasst

This product uses data from the NVD API but is not endorsed or certified by the NVD.