CVE-2026-115417 - Memory allocation with excessive size value in the MQTT 3.1.1 compatibility adapter in aws-c-mqtt
Bulletin ID: 2026-147-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/22/2026 13:30 PM PDT Description: aws-c-mqtt is a C99 implementation of the MQTT 3.1.1 and MQTT5 specifications, distributed as part of the AWS Common Runtime (CRT) and bundled in the AWS IoT Device SDK for C++ v2. We identified CVE-2026-115417, a memory allocation with excessive size value (CWE-789) in the library's MQTT 3.1.1 compatibility adapter. Under certain conditions, a remote actor could cause a denial of service of the client process. Impacted versions: >= 0.9.1 AND Please refer to the article below for the most up-to-date and complete information related to this AWS Security Bull
Read at AWS Security Bulletins
- Vendor
- Amazon Web Services
Why it ranks 14 (Routine)
- Covered by 2 independent sources
- Vendor security advisory
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- AWS Security Bulletins (aws.amazon.com)
- CVE-2026-115417 on this site · NVD · CVE.org · Vulnpedia
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