CVE-2023-34488

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-34488
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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/emqx/nanomq/issues/1181 Exploit Issue Tracking Patch Vendor Advisory
https://github.com/emqx/nanomq/issues/1181 Exploit Issue Tracking Patch Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:emqx:nanomq:0.17.5:*:*:*:*:*:*:*
History

29 Aug 2025, 15:15

Type Values Removed Values Added
CWE CWE-122

15 Jul 2025, 20:15

Type Values Removed Values Added
Summary (en) NanoMQ 0.17.5 is vulnerable to heap-buffer-overflow in the conn_handler function of mqtt_parser.c when it processes malformed messages. (en) 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.
Information

Published : 2023-06-12 14:15

Updated : 2025-08-29 15:15

NVD link : CVE-2023-34488

Mitre link : CVE-2023-34488

CVE.ORG link : CVE-2023-34488

JSON object : View

Products Affected

emqx

  • nanomq
CWE
CWE-787

Out-of-bounds Write

CWE-122

Heap-based Buffer Overflow