Vulnerability Description
A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when running on Windows. The issue stems from improper timeout management during network read operations.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Related Weaknesses (CWE)
References
- https://gist.github.com/MrAlaskan/f22dcf01a5dd90da1b191fcee9043a32
- https://github.com/stephane/libmodbus/issues/843
FAQ
What is CVE-2026-51539?
CVE-2026-51539 is a vulnerability with a CVSS score of 7.5 (HIGH). A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when running on Windows. The issue stems from improper timeout management during network read operations.
How severe is CVE-2026-51539?
CVE-2026-51539 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-51539?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.