Description
In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker sends a crafted SUBACK packet with no reason codes, a client using libmosquitto may make out of bounds memory access when acting in its on_subscribe callback. This affects the mosquitto_sub and mosquitto_rr clients.
Published: 2024-10-30
Score: 7.2 High
EPSS: 17.5% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4059-1 mosquitto security update
EUVD EUVD EUVD-2024-33469 In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker sends a crafted SUBACK packet with no reason codes, a client using libmosquitto may make out of bounds memory access when acting in its on_subscribe callback. This affects the mosquitto_sub and mosquitto_rr clients.
Ubuntu USN Ubuntu USN USN-7441-1 Eclipse Mosquitto vulnerabilities
History

Mon, 03 Nov 2025 21:30:00 +0000

Type Values Removed Values Added
References

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.0028}

 epss

{'score': 0.00559}

Wed, 29 Jan 2025 17:30:00 +0000

Type Values Removed Values Added
First Time appeared Eclipse
Eclipse mosquitto
Weaknesses CWE-787
CPEs cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*
Vendors & Products Eclipse
Eclipse mosquitto
Metrics cvssV3_1

{'score': 7.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H'}

 cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Thu, 09 Jan 2025 18:45:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H'}

 cvssV3_1

{'score': 7.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H'}

Thu, 31 Oct 2024 09:30:00 +0000

Type Values Removed Values Added
References

Thu, 31 Oct 2024 01:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 threat_severity

Important

Wed, 30 Oct 2024 14:15:00 +0000

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

ssvc

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

Wed, 30 Oct 2024 12:00:00 +0000

Type Values Removed Values Added
Description In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker sends a crafted SUBACK packet with no reason codes, a client using libmosquitto may make out of bounds memory access when acting in its on_subscribe callback. This affects the mosquitto_sub and mosquitto_rr clients.
Title Eclipse Mosquito: Heap Buffer Overflow in my_subscribe_callback
Weaknesses CWE-122
References
Metrics cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

Eclipse Mosquitto
Eclipse Foundation Mosquitto
cve-icon MITRE

Status: PUBLISHED

Assigner: eclipse

Published:

Updated: 2025-11-03T20:36:24.107Z

Reserved: 2024-10-30T09:50:22.568Z

Link: CVE-2024-10525

cve-icon Vulnrichment

Updated: 2025-11-03T20:36:24.107Z

cve-icon NVD

Status : Modified

Published: 2024-10-30T12:15:02.787

Modified: 2025-11-03T21:16:03.947

Link: CVE-2024-10525

cve-icon Redhat

Severity : Important

Publid Date: 2024-10-30T11:41:08Z

Links: CVE-2024-10525 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses