CVE-2019-19307

CRITICAL

Cesanta Mongoose <6.16 - DoS

Title source: llm
STIX 2.1

Description

An integer overflow in parse_mqtt in mongoose.c in Cesanta Mongoose 6.16 allows an attacker to achieve remote DoS (infinite loop), or possibly cause an out-of-bounds write, by sending a crafted MQTT protocol packet.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/cesanta/mongoose/issues/1055

Scores

CVSS v3 9.8
EPSS 0.0296
EPSS Percentile 86.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-190 CWE-125 CWE-787 CWE-835
Status published
Products (1)
cesanta/mongoose 6.16
Published Nov 26, 2019
Tracked Since Feb 18, 2026