CVE-2026-22040

{"id": "CVE-2026-22040", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.6}]}, "published": "2026-03-04T22:16:17.300", "references": [{"url": "https://github.com/nanomq/nanomq/security/advisories/GHSA-v57q-w88m-424r", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. In version 0.24.6, by generating a combined traffic pattern of high-frequency publishes and rapid reconnect/kick-out using the same ClientID and massive subscribe/unsubscribe jitter, it is possible to reliably trigger heap memory corruption in the Broker process, causing it to exit immediately with SIGABRT due to free(): invalid pointer. As of time of publication, no known patched versions are available."}, {"lang": "es", "value": "NanoMQ MQTT Broker (NanoMQ) es una Plataforma de Mensajer\u00eda de Borde integral. En la versi\u00f3n 0.24.6, al generar un patr\u00f3n de tr\u00e1fico combinado de publicaciones de alta frecuencia y reconexiones/expulsiones r\u00e1pidas utilizando el mismo ClientID y una fluctuaci\u00f3n masiva de suscripciones/desuscripciones, es posible activar de forma fiable la corrupci\u00f3n de memoria del heap en el proceso del Broker, haciendo que termine inmediatamente con SIGABRT debido a free(): puntero inv\u00e1lido. En el momento de la publicaci\u00f3n, no hay versiones parcheadas conocidas disponibles."}], "lastModified": "2026-03-18T16:09:07.133", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:emqx:nanomq:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F998E900-76B1-4D92-B8AB-CD4EE23C2E3C", "versionEndExcluding": "0.24.6"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}