What is GHSA-j9rq-q866-f8jj?

GHSA-j9rq-q866-f8jj is a security advisory published by GitHub Security Advisories with High severity. Use after free in DNS Server allows an unauthorized attacker to execute code over a network.

Which CVE IDs does GHSA-j9rq-q866-f8jj cover?

GHSA-j9rq-q866-f8jj covers the following CVE IDs: CVE-2026-77505. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-j9rq-q866-f8jj?

GHSA-j9rq-q866-f8jj has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-j9rq-q866-f8jjHighCVSS 8.1

Use after free in DNS Server allows an unauthorized attacker to execute code over a network.

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-77505 →

📋 Description

Use after free in DNS Server allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-77505
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77505
https://github.com/advisories/GHSA-j9rq-q866-f8jj