CVE-2023-26793

libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/stephane/libmodbus/issues/683	Exploit Issue Tracking Vendor Advisory
https://github.com/stephane/libmodbus/issues/683	Exploit Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:libmodbus:libmodbus:3.1.10:*:*:*:*:*:*:*

History

05 May 2025, 17:21

Type	Values Removed	Values Added
CPE		cpe:2.3:a:libmodbus:libmodbus:3.1.10:::::::*
References	~~() https://github.com/stephane/libmodbus/issues/683 -~~	() https://github.com/stephane/libmodbus/issues/683 - Exploit, Issue Tracking, Vendor Advisory
First Time		Libmodbus Libmodbus libmodbus

21 Nov 2024, 07:51

Type	Values Removed	Values Added
References	~~() https://github.com/stephane/libmodbus/issues/683 -~~	() https://github.com/stephane/libmodbus/issues/683 -

03 Jul 2024, 01:39

Type	Values Removed	Values Added
CWE		CWE-122
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
Summary		(es) libmodbus v3.1.10 tiene una vulnerabilidad de desbordamiento de búfer de almacenamiento dinámico en la función read_io_status en src/modbus.c.

01 May 2024, 19:50

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-05-01 19:15

Updated : 2025-05-05 17:21

NVD link : CVE-2023-26793

Mitre link : CVE-2023-26793

CVE.ORG link : CVE-2023-26793

JSON object : View

Products Affected

libmodbus

libmodbus

CWE

CWE-122

Heap-based Buffer Overflow

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9.8 /10