stephane / libmodbus

A Modbus library for Linux, Mac OS, FreeBSD and Windows

http://libmodbus.org

stephane/libmodbus Issues

unit-test-server crashes with invalid pointer
Updated 6 days ago
The value of the ctx->backend pointer has been accidentally modified, leading to a Use-After-Free (UAF) vulnerability
Updated 6 days ago
A deep heap buffer overflow vulnerability exists in modbus_mapping_free
Updated 7 days ago
Handling Multiple Slave Addresses with libmodbus on a Single Interface
Updated 8 days ago
[Project] CLA processing is laggy (want to upstream support for Modbus over USB)
Updated a month ago2
Invalid CRC
Updated a month ago3
heap-buffer-overflow in in `modbus_write_bits`
Updated a month ago
Behaviour of MODBUS_ERROR_RECOVERY_LINK
Updated a month ago4
Broken pipe after Modbus TCP/RTU gateway reboot
Updated a month ago1
modbus_rtu_set_serial_mode needs additional flags
Updated a month ago1
Multiple slaves on the same port.
Updated 2 months ago1
facing crash in libmodbus library
Updated 4 months ago
With TCP, `modbus_connect()` returns -1 on timeout but does not set `errno`
Updated 4 months ago
Missing documentation of `errno` values corresponding to Modbus exception codes
Updated 5 months ago1
Multiple processes running concurrently using libmodbus over Modbus-Rtu
Updated 5 months ago5
Why not merge modbus_flush() directly into functions such as modbus_write(read)_xxx() function?
Updated 5 months ago
Setting the coil address to 0 as 1 will immediately be set to 0
Updated 5 months ago
modbus rtu slave on ubuntu 20.04.3
Updated 6 months ago
incorrect type to store socket on Windows
Updated 6 months ago
Possible issue due to different library versions : modbus_receive_confirmation() is not useful
Updated 6 months ago
modbus-tcp协议：ERROR Resource temporarily unavailable
Updated 6 months ago1
CRC Check Error and Slave not the requested One, Ignored
Updated 6 months ago
Connection not bindig
Updated 6 months ago1
Misleading type cast in function modbus_tcp_listen()
Updated 7 months ago
one suggestion about `modbus_send_raw_request` funtion
Closed 7 months ago1
Statment on thread safety missing in the documentation
Updated 8 months ago
modbus_rtu_set_serial_mode cannot be called before modbus_connect
Updated 8 months ago1
RTU slave responds to requests with different slave address
Updated 8 months ago1
modbus_tcp_accept() is killed
Updated 8 months ago1
warning: implicit declaration of function ‘accept4’; did you mean ‘accept’? [-Wimplicit-function-declaration]
Updated 8 months ago2
modbus_write_registers Does not support more than 10 registers
Closed 9 months ago2
Outdated documentation about tcp-pi requiring 1 KiB of extra memory
Updated 9 months ago
can support modbus function 20 (0x14) Read File Record and function 21 (0x15) Write File Record ?
Updated 9 months ago1
When I use modbus tcp master mode, how do I know that the slave has closed the connection?
Updated 9 months ago1
How to build it for ARM
Updated 10 months ago1
indication timeout in server mode times out while receiving master message
Updated 10 months ago
Incomplete commit revert?
Updated 10 months ago
O_NDELAY has been deprecated
Updated 10 months ago
Read single register of more than 2 bytes
Updated a year ago1
[Segmentation fault] in libmodbus.so
Closed a year ago2
My application crashes sometimes when using modbus (overrun of a stack-based buffer )
Closed a year ago5
modbus_write_registers return -1, reason connection timeout
Updated a year ago3
small bug in win32 configure.js get micro version from configure.ac
Updated a year ago
[bug] Modbus tcp server exit when a client disconnects
Updated a year ago
Mingw64 fails to build 32-bit binaries of v3.1.10 with i686-w64-mingw32-gcc
Closed a year ago
modbus_read_registers return -1:no such file or directory
Updated a year ago
Modbus
Closed a year ago
ModbusTCP communication over two RaspberryPi, master and slave
Updated a year ago6
Temperature of core of Raspberry Pi
Updated a year ago
ERROR Unknown error: select select function return -1 and no err
Updated a year ago