CVE-2026-21888

HIGH

7.5

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.17.5

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/11/2026

Ultima modificacao3/17/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

emqx:nanomq

Fraquezas (CWE)

CWE-125

Referencias

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)

Correlacoes IOC

Sem correlacoes registradas

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