Vulnerability · Published Oct 2, 2023 · Assigned by eclipse

CVE-2023-3592

Medium 5.8

In plain English

A medium-severity memory leak in Mosquitto from Eclipse. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.8Medium
Exploit odds (30 days)0.8%top 43.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20mosquitto2.0.16-r0ALPINE-CVE-2023-3592
Alpine:v3.21mosquitto2.0.16-r0ALPINE-CVE-2023-3592
Alpine:v3.22mosquitto2.0.16-r0ALPINE-CVE-2023-3592
Alpine:v3.23mosquitto2.0.16-r0ALPINE-CVE-2023-3592
Alpine:v3.24mosquitto2.0.16-r0ALPINE-CVE-2023-3592
Debian:12mosquitto2.0.11-1.2+deb12u1DSA-5511-1
Debian:12mosquitto2.0.11-1.2+deb12u1DEBIAN-CVE-2023-3592
Debian:13mosquitto2.0.17-1DEBIAN-CVE-2023-3592
Debian:14mosquitto2.0.17-1DEBIAN-CVE-2023-3592
Ubuntu:22.04:LTSmosquitto2.0.11-1ubuntu1.1UBUNTU-CVE-2023-3592
Ubuntu:22.04:LTSmosquitto2.0.11-1ubuntu1.1USN-6492-1

Affected products (as reported)

VendorProductVersions
Eclipse Mosquitto 0 – before 2.0.16

Weakness: CWE-401 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

References