CVE-2024-3935 - CVE House
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Status published Medium CVE-2024-3935

Eclipse Mosquito: Double free vulnerability

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • song xiangpu

References

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Affected Vendor

Eclipse Foundation

View all reports →

Affected Software

mosquitto
Vulnerable Versions:
2.0.0

Timeline

Official Publish: October 30th, 2024
Last Modified: November 3rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-415

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1574 Hijack Execution Flow
Privilege Escalation
T1059 Command and Scripting Interpreter
Execution
T1485 Data Destruction
Impact