5.8CVSSMEDIUM
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.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:CScopeChanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:LAvailabilityLow
Weaknesses
Affected Products
Exploitability
Official Patch Available
References
https://mosquitto.org/blog/2023/08/version-2-0-16-released/
mosquitto.org
https://security.gentoo.org/glsa/202401-09
security.gentoo.org
https://mosquitto.org/blog/2023/08/version-2-0-16-released/
mosquitto.org
and 2 more references View all →
Timeline
Published
Oct 2, 2023
Last Updated
Feb 13, 2025
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2023-3592 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows