CVE Tools
Sign in

CVE-2024-3935

Eclipse Mosquito: Double free vulnerability

Published: Oct 30, 2024Updated: Nov 3, 2025 Sources: CVE List NVD BDUCWE-415
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.8%
Top 49.5%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

In Eclipse Mosquito, versions from 2.0.0 through 2.0.18, if a Mosquitto broker is configured to create an outgoing bridge connection, and that bridge connection has an incoming topic configured that makes use of topic remapping, then if the remote connection sends a crafted PUBLISH packet to the broker a double free will occur with a subsequent crash of the broker.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-415

Affected Products

mosquittoeclipseDevTools & CI
mosquittoEclipse FoundationOSS Libraries
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
РОСА ХРОМАО «НТЦ ИТ РОСА»
On-prem
Operating Systems / linux-distro
eclipseoss-projectBEDevTools & CIaka eclipse-foundation
eclipse foundationoss-projectDEOSS Libraries
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «ред софт»commercialRUOperating Systemsaka red soft
ао «нтц ит роса»commercialRUOperating Systems
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://github.com/eclipse-mosquitto/mosquitto/commit/ae7a804dadac8f2aaedb24336df8496a9680fda9
github.com
https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/197
gitlab.eclipse.org
https://mosquitto.org/blog/2024/10/version-2-0-19-released/
mosquitto.org
and 8 more references View all →

Timeline

Published
Oct 30, 2024
Last Updated
Nov 3, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2024-3935 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-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