title: Cesanta Mongoose MQTT Message Parsing Heap Overflow
description: Due to a failure in validating the length of a provided MQTT_CMD_PUBLISH parsed message with a variable length header, Cesanta Mongoose, an embeddable web server, version 7.10 is susceptible to a heap-based buffer overflow vulnerability in the default configuration. Version 7.9 and prior does not appear to be vulnerable. This issue is resolved in version 7.11.
problem types: CWE-122 Heap-based Buffer Overflow
affected:
{
defaultStatus: unaffected
product: Mongoose
vendor: Cesanta
versions:
status: affected, version: 7.10
status: unaffected, version: 7.11
}