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 Software

Searching vulnerabilities affecting “libmodbus”

9 vulnerabilities found for “libmodbus”

CVE-2024-10918
MEDIUM4.8

Stack-based Buffer Overflow vulnerability in libmodbus v3.1.10 allows to overflow the buffer allocated for the Modbus response if the function tries to reply to a Modbus request with an unexpected length.

libmodbus / libmodbus
Network
Published Feb 27, 2025
CVE-2024-36844
HIGH7.5

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 / libmodbus
Network
Published May 31, 2024
CVE-2024-36843
HIGH7.5

libmodbus v3.1.6 was discovered to contain a heap overflow via the modbus_mapping_free() function.

libmodbus / libmodbus
Network
Published May 31, 2024
CVE-2024-36845
MEDIUM4.3

An invalid pointer in the modbus_receive() function of libmodbus v3.1.6 allows attackers to cause a Denial of Service (DoS) via a crafted message sent to the unit-test-server.

libmodbus / libmodbus
Network
Published May 31, 2024
CVE-2024-34244
HIGH7.5

libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.

libmodbus / libmodbus
Network
Published May 8, 2024
CVE-2023-26793
CRITICAL9.8

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

libmodbus / libmodbus
Network
Published May 1, 2024
CVE-2022-0367
HIGH7.8

A heap-based buffer overflow flaw was found in libmodbus in function modbus_reply() in src/modbus.c.

libmodbus / libmodbus+3
Local
Published Aug 29, 2022
CVE-2019-14463
CRITICAL9.1

An issue was discovered in libmodbus before 3.0.7 and 3.1.x before 3.1.5. There is an out-of-bounds read for the MODBUS_FC_WRITE_MULTIPLE_REGISTERS case, aka VD-1301.

libmodbus / libmodbus+4
Network
Published Jul 31, 2019
CVE-2019-14462
CRITICAL9.1

An issue was discovered in libmodbus before 3.0.7 and 3.1.x before 3.1.5. There is an out-of-bounds read for the MODBUS_FC_WRITE_MULTIPLE_COILS case, aka VD-1302.

libmodbus / libmodbus+4
Network
Published Jul 31, 2019