CVE-2024-36844

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2024-36844
libmodbus v3.1.6 was discovered to contain a use-after-free via the ctx->backend pointer. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted message sent to the unit-test-server.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/stephane/libmodbus/issues/749 Exploit Issue Tracking Vendor Advisory
https://github.com/stephane/libmodbus/issues/749 Exploit Issue Tracking Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/03/msg00010.html
Configurations

Configuration 1 (hide)

cpe:2.3:a:libmodbus:libmodbus:3.1.6:*:*:*:*:*:*:*
History

03 Nov 2025, 21:16

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2025/03/msg00010.html -

01 May 2025, 13:50

Type Values Removed Values Added
References () https://github.com/stephane/libmodbus/issues/749 - () https://github.com/stephane/libmodbus/issues/749 - Exploit, Issue Tracking, Vendor Advisory
CPE cpe:2.3:a:libmodbus:libmodbus:3.1.6:*:*:*:*:*:*:*
First Time Libmodbus
Libmodbus libmodbus

21 Nov 2024, 09:22

Type Values Removed Values Added
References () https://github.com/stephane/libmodbus/issues/749 - () https://github.com/stephane/libmodbus/issues/749 -

19 Aug 2024, 16:35

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
CWE CWE-416

03 Jun 2024, 14:46

Type Values Removed Values Added
Summary
  • (es) Se descubrió que libmodbus v3.1.6 contiene un use-after-free a través del puntero ctx->backend. Esta vulnerabilidad permite a los atacantes provocar una denegación de servicio (DoS) mediante un mensaje manipulado enviado al servidor de prueba unitaria.

31 May 2024, 20:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-05-31 20:15

Updated : 2025-11-03 21:16

NVD link : CVE-2024-36844

Mitre link : CVE-2024-36844

CVE.ORG link : CVE-2024-36844

JSON object : View

Products Affected

libmodbus

  • libmodbus
CWE
CWE-416

Use After Free