What is GHSA-3h9p-9pvw-73vm?

GHSA-3h9p-9pvw-73vm is a security advisory published by GitHub Security Advisories with High severity. The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T...

Which CVE IDs does GHSA-3h9p-9pvw-73vm cover?

GHSA-3h9p-9pvw-73vm covers the following CVE IDs: CVE-2026-48132. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3h9p-9pvw-73vm?

GHSA-3h9p-9pvw-73vm has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-3h9p-9pvw-73vmHighCVSS 8.1

The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T...

Vendor

GitHub Security Advisories

Published

May 26, 2026

Last Modified

May 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-48132 →

📋 Description

The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T is used (4500/UDP). As a result, a specially crafted or malformed packet can cause the VPN processing service to terminate unexpectedly, leading to denial of service (temporary interruption of VPN negotiations/traffic).

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-48132
https://support.checkpoint.com/results/sk/sk184982
https://github.com/advisories/GHSA-3h9p-9pvw-73vm