Unrated severityNVD Advisory· Published Jul 13, 2026· Updated Jul 14, 2026

CVE-2026-51539

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.

Affected products

Libmodbus/Libmodbusllm-fuzzy
Range: <=3.1.12

Patches

Vulnerability mechanics

References

gist.github.com/MrAlaskan/f22dcf01a5dd90da1b191fcee9043a32mitre
github.com/stephane/libmodbus/issues/843mitre

News mentions

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