CVE-2026-115417 – Memory allocation with excessive size value in the MQTT 3.1.1 compatibility adapter in aws-c-mqtt

​CVE ID :CVE-2026-115417

Published : Oct. 22, 2026, 9:17 p.m. | 28 minutes ago

Description :Memory allocation with excessive size value in the MQTT 3.1.1 compatibility adapter in AWS aws-c-mqtt before 0.16.2 might allow a remote actor to cause a denial of service of the client application.

To remediate this issue, users should upgrade to aws-c-mqtt 0.16.2 or later, or to an AWS Common Runtime or AWS IoT Device SDK release that bundles it.

Severity: 8.2 | HIGH

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