CVE-2026-115417
High · 7.5CVSS
7.5
EPSS
0.4%
Published
Oct 22, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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