What is GHSA-4fx8-wmg3-693v?

GHSA-4fx8-wmg3-693v is a security advisory published by GitHub Security Advisories with High severity. A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when...

Which CVE IDs does GHSA-4fx8-wmg3-693v cover?

GHSA-4fx8-wmg3-693v covers the following CVE IDs: CVE-2026-51539. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4fx8-wmg3-693v?

GHSA-4fx8-wmg3-693v has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-4fx8-wmg3-693vHighCVSS 7.5

A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-51539
https://github.com/stephane/libmodbus/issues/843
https://gist.github.com/MrAlaskan/f22dcf01a5dd90da1b191fcee9043a32
https://github.com/advisories/GHSA-4fx8-wmg3-693v