EUVD-2026-28785

nanoMODBUS through v1.22.0 has a stack-based buffer overflow in recvreadregistersres in nanomodbus.c. When a client calls nmbsreadholdingregisters or nmbsreadinputregisters, the library writes register data from the server response to the caller-provided buffer based on the response's bytecount...

UBUNTU-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...

libmodbus Security Vulnerabilities

libmodbus is a library written in C that can send/receive data according to the Modbus protocol. A security vulnerability exists in libmodbus version v3.1.6, which originates from the inclusion of post-release reuse via the ctx-backend pointer, allowing an attacker to send a crafted message to...

libmodbus 安全漏洞

libmodbus is a library written in C that can send/receive data according to the Modbus protocol. A security vulnerability exists in libmodbus version v3.1.10, which originates from a buffer overflow vulnerability in src/modbus.c. The vulnerability is caused by a buffer overflow vulnerability...

libmodbus buffer overflow vulnerability (CNVD-2019-30145)

libmodbus is a library written in C that can send/receive data according to the Modbus protocol. A buffer overflow vulnerability exists in libmodbus versions prior to 3.0.7 and 3.1.x versions prior to 3.1.5, which can be exploited by an attacker to cause a buffer overflow or heap overflow...

CVE-2018-7848

A CWE-200: Information Exposure vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of SNMP information when reading files from the controller over Modbus...