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Signals Exploited in the wild (KEV) 0 Patch available 0 No fix listed 1 Has CVE 1

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Weakness (CWE) CWE-125 Out-of-bounds Read 1

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Vendor: FreeRTOS × Component: Coremqtt × Clear all filters

TI-2026-07633 CVE-2026-8686

DoS from MQTT v5.0 Deserialization Fault in core MQTT

Priority MEDIUM 44

Missing bounds validation in the MQTT v5.0 property parser in coreMQTT before 5.0.1 allows an MQTT broker to cause a denial of service by sending a crafted packet.

CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00388 · Published 2026-05-15 · No fix listed CWE-125

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