What is GHSA-gcxp-mxpm-5m5v?

GHSA-gcxp-mxpm-5m5v is a security advisory published by GitHub Security Advisories with High severity. A denial-of-service security issue exists within RSLinx® Classic. A crafted CIP packet can cause...

Which CVE IDs does GHSA-gcxp-mxpm-5m5v cover?

GHSA-gcxp-mxpm-5m5v covers the following CVE IDs: CVE-2026-9624. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-gcxp-mxpm-5m5vHigh

A denial-of-service security issue exists within RSLinx® Classic. A crafted CIP packet can cause...

Vendor

GitHub Security Advisories

Published

September 1, 2026

Last Modified

September 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-9624 →

📋 Description

A denial-of-service security issue exists within RSLinx® Classic. A crafted CIP packet can cause the RSLinx® Classic service to crash due to insufficient data length validation, requiring a restart of the service to recover.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-9624
https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1794.html
https://github.com/advisories/GHSA-gcxp-mxpm-5m5v