Libmodbus: >> Libmodbus Security Vulnerabilities
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.
CVSS Score
4.8
EPSS Score
0.001
Published
2025-02-27
libmodbus v3.1.6 was discovered to contain a heap overflow via the modbus_mapping_free() function.
CVSS Score
7.5
EPSS Score
0.004
Published
2024-05-31
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.
CVSS Score
7.5
EPSS Score
0.001
Published
2024-05-31
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.
CVSS Score
4.3
EPSS Score
0.003
Published
2024-05-31
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.
CVSS Score
7.5
EPSS Score
0.003
Published
2024-05-08
libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.
CVSS Score
9.8
EPSS Score
0.004
Published
2024-05-01
A heap-based buffer overflow flaw was found in libmodbus in function modbus_reply() in src/modbus.c.
CVSS Score
7.8
EPSS Score
0.0
Published
2022-08-29
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.
CVSS Score
9.1
EPSS Score
0.009
Published
2019-07-31
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.
CVSS Score
9.1
EPSS Score
0.009
Published
2019-07-31