Bug 2542308 (CVE-2026-101003) - CVE-2026-101003 mongoose: mongoose: Denial of Service via stack-based buffer overflow in MQTT broker
Summary: CVE-2026-101003 mongoose: mongoose: Denial of Service via stack-based buffer ...
Keywords:
Status: NEW
Alias: CVE-2026-101003
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2542313 2542314 2542315 2542316
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-28 05:51 UTC by OSIDB Bzimport
Modified: 2026-09-28 06:17 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-09-28 05:51:27 UTC 
A weakness has been identified in Cesanta Mongoose up to 7.21. Affected by this vulnerability is the function fn of the file tutorials/mqtt/mqtt-server/main.c of the component MQTT Broker. Executing a manipulation can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 7.22 addresses this issue. This patch is called a9df523f76f43a38bd53b4232b9cfd4c16869e71. Upgrading the affected component is advised.
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