CVE-2024-3935

Eclipse Mosquito: Double free vulnerability

Published Oct 30, 2024 CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4059-1 mosquitto security update
EUVD EUVD EUVD-2024-32502 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.
Ubuntu USN Ubuntu USN USN-7441-1 Eclipse Mosquitto vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.0032}

epss

{'score': 0.00374}

Type Values Removed Values Added
First Time appeared Eclipse
Eclipse mosquitto
CPEs cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*
Vendors & Products Eclipse
Eclipse mosquitto
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
First Time appeared Eclipse Foundation
Eclipse Foundation mosquitto
CPEs cpe:2.3:a:eclipse_foundation:mosquitto:*:*:*:*:*:*:*:*
Vendors & Products Eclipse Foundation
Eclipse Foundation mosquitto
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Eclipse Mosquito: Double free vulnerability
Weaknesses CWE-415
References
Metrics cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
eclipse
Published
Updated
Nov 3, 2025, 8:38 PM
Reserved
Apr 17, 2024, 5:12 PM
Status
Modified
Published
Oct 30, 2024, 12:15 PM
Modified
Jun 17, 2026, 7:45 AM