What is GHSA-27wh-38h4-pr2j?

GHSA-27wh-38h4-pr2j is a security advisory published by GitHub Security Advisories with Medium severity. A heap buffer overflow in the HighPriorityASDUQueue_hasUnconfirmedIMessages function of lib60870...

Which CVE IDs does GHSA-27wh-38h4-pr2j cover?

GHSA-27wh-38h4-pr2j covers the following CVE IDs: CVE-2026-51219. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-27wh-38h4-pr2j?

GHSA-27wh-38h4-pr2j has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-27wh-38h4-pr2jMediumCVSS 6.5

A heap buffer overflow in the HighPriorityASDUQueue_hasUnconfirmedIMessages function of lib60870...

Vendor

GitHub Security Advisories

Published

June 30, 2026

Last Modified

June 30, 2026

🔗 CVE IDs covered (1)

CVE-2026-51219 →

📋 Description

A heap buffer overflow in the HighPriorityASDUQueue_hasUnconfirmedIMessages function of lib60870 v2.3.3 to v2.3.6 allows attackers to cause a Denial of Service (DoS) via a crafted payload.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-51219
https://github.com/mz-automation/lib60870/issues/196
https://github.com/mz-automation/lib60870
https://github.com/mz-automation/lib60870/releases
https://github.com/advisories/GHSA-27wh-38h4-pr2j