Description
NanoMQ 0.17.5 has a one-byte heap-based buffer over-read in the conn_handler function of mqtt_parser.c when it processes malformed messages.
Published: 2023-06-12
Score: 8 High
EPSS: < 1% Very Low
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
EUVD EUVD EUVD-2023-38545 NanoMQ 0.17.5 has a one-byte heap-based buffer over-read in the conn_handler function of mqtt_parser.c when it processes malformed messages.
References
Link Providers
https://github.com/emqx/nanomq/issues/1181 cve-icon cve-icon
History

Fri, 29 Aug 2025 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-122
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

 cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Tue, 15 Jul 2025 20:00:00 +0000

Type Values Removed Values Added
Description NanoMQ 0.17.5 is vulnerable to heap-buffer-overflow in the conn_handler function of mqtt_parser.c when it processes malformed messages. NanoMQ 0.17.5 has a one-byte heap-based buffer over-read in the conn_handler function of mqtt_parser.c when it processes malformed messages.

Sat, 04 Jan 2025 00:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Subscriptions

Emqx Nanomq
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-08-29T15:00:06.925Z

Reserved: 2023-06-07T00:00:00.000Z

Link: CVE-2023-34488

cve-icon Vulnrichment

Updated: 2024-08-02T16:10:07.009Z

cve-icon NVD

Status : Analyzed

Published: 2023-06-12T14:15:19.623

Modified: 2025-09-24T19:46:10.550

Link: CVE-2023-34488

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses