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Libmodbus · product

Libmodbus

9 CVEs

Every dot is a CVE in what this vendor ships; the named ones are the most at risk.

Every one of the 9 is a mark on the map. Named now: 1 to 9, most at risk first.

  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.CVE-2019-14462Libmodbus · 2.0% likely

    CWE-125

  2. 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.CVE-2019-14463Libmodbus · 1.9% likely

    CWE-125

  3. libmodbus v3.1.6 was discovered to contain a heap overflow via the modbus_mapping_free() function.CVE-2024-36843Libmodbus · CVSS 7.5 · 0.8% likely

    CWE-122

  4. libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.CVE-2023-26793Libmodbus · CVSS 9.8 · 0.7% likely

    CWE-122

  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 mess…CVE-2024-36844Libmodbus · CVSS 7.5 · 0.6% likely

    CWE-416

  6. Stack-based Buffer Overflow in libmodbus libraryCVE-2024-10918libmodbus · CVSS 4.8 · 0.6% likely

    CWE-121

  7. 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 lea…CVE-2024-34244Libmodbus · CVSS 7.5 · 0.5% likely

    CWE-120

  8. 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.CVE-2024-36845Libmodbus · CVSS 4.3 · 0.5% likely

    CWE-400

  9. A heap-based buffer overflow flaw was found in libmodbus in function modbus_reply() in src/modbus.c.CVE-2022-0367Libmodbus · 0.5% likely

    CWE-119

exploited in the wildcheck availableringed, named or not: CyberSIXT has reported on it

Zoom in on the map and the dots under the middle of it are named where they are.

Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-14 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.