CVE-2023-28366

HIGH

Eclipse Mosquitto < 2.0.16 - Memory Leak

Title source: rule

Description

The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function.

References (7)

Scores

CVSS v3 7.5
EPSS 0.0008
EPSS Percentile 23.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-401
Status published

Affected Products (1)

eclipse/mosquitto < 2.0.16

Timeline

Published Sep 01, 2023
Tracked Since Feb 18, 2026