What is GHSA-mg79-w9qx-hwj2?

GHSA-mg79-w9qx-hwj2 is a security advisory published by GitHub Security Advisories with High severity. A NULL pointer dereference in the L2 GOOSE and R-GOOSE shared parser, which may allow a network...

Which CVE IDs does GHSA-mg79-w9qx-hwj2 cover?

GHSA-mg79-w9qx-hwj2 covers the following CVE IDs: CVE-2026-50103. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mg79-w9qx-hwj2?

GHSA-mg79-w9qx-hwj2 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-mg79-w9qx-hwj2HighCVSS 6.5

A NULL pointer dereference in the L2 GOOSE and R-GOOSE shared parser, which may allow a network...

Vendor

GitHub Security Advisories

Published

July 23, 2026

Last Modified

July 23, 2026

🔗 CVE IDs covered (1)

CVE-2026-50103 →

📋 Description

A NULL pointer dereference in the L2 GOOSE and R-GOOSE shared parser, which may allow a network-adjacent attacker to crash a subscribing application by sending a crafted GOOSE frame containing a malformed TLV value.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-50103
https://www.cisa.gov/news-events/ics-advisories/icsa-26-204-06
https://github.com/advisories/GHSA-mg79-w9qx-hwj2