What is GHSA-4r66-gmmr-3ww8?

GHSA-4r66-gmmr-3ww8 is a security advisory published by GitHub Security Advisories with Critical severity. The affected product is vulnerable to a heap-based buffer overflow via a crafted MMS Initiate...

Which CVE IDs does GHSA-4r66-gmmr-3ww8 cover?

GHSA-4r66-gmmr-3ww8 covers the following CVE IDs: CVE-2026-49035. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4r66-gmmr-3ww8?

GHSA-4r66-gmmr-3ww8 has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-4r66-gmmr-3ww8CriticalCVSS 8.1

The affected product is vulnerable to a heap-based buffer overflow via a crafted MMS Initiate...

Vendor

GitHub Security Advisories

Published

July 23, 2026

Last Modified

July 23, 2026

🔗 CVE IDs covered (1)

CVE-2026-49035 →

📋 Description

The affected product is vulnerable to a heap-based buffer overflow via a crafted MMS Initiate request. Remote code execution (RCE) has been demonstrated when ASLR is disabled; memory corruption or denial of service may occur in configurations where ASLR is enabled.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-49035
https://www.cisa.gov/news-events/ics-advisories/icsa-26-204-06
https://github.com/advisories/GHSA-4r66-gmmr-3ww8