What is GHSA-hj2q-w426-x635?

GHSA-hj2q-w426-x635 is a security advisory published by GitHub Security Advisories with Critical severity. A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process allows a...

Which CVE IDs does GHSA-hj2q-w426-x635 cover?

GHSA-hj2q-w426-x635 covers the following CVE IDs: CVE-2026-19318. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-hj2q-w426-x635Critical

A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process allows a...

Vendor

GitHub Security Advisories

Published

August 28, 2026

Last Modified

August 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-19318 →

📋 Description

A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-19318
https://psirt.watchguard.com/CVE-2026-19318
https://github.com/advisories/GHSA-hj2q-w426-x635