What is GHSA-36gp-wrgh-j78w?

GHSA-36gp-wrgh-j78w is a security advisory published by GitHub Security Advisories with High severity. The BIND resolver accepts validly-signed NSEC records where the "Next Domain Name" field points...

Which CVE IDs does GHSA-36gp-wrgh-j78w cover?

GHSA-36gp-wrgh-j78w covers the following CVE IDs: CVE-2026-13321. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-36gp-wrgh-j78w?

GHSA-36gp-wrgh-j78w has a CVSS v3 base score of 8.6, published by GitHub Security Advisories.

GHSA-36gp-wrgh-j78wHighCVSS 8.6

The BIND resolver accepts validly-signed NSEC records where the "Next Domain Name" field points...

Vendor

GitHub Security Advisories

Published

July 22, 2026

Last Modified

July 22, 2026

🔗 CVE IDs covered (1)

CVE-2026-13321 →

📋 Description

The BIND resolver accepts validly-signed NSEC records where the "Next Domain Name" field points outside the signer's zone. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.24, 9.21.0 through 9.21.23, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.24-S1.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-13321
https://downloads.isc.org/isc/bind9/9.20.26
https://downloads.isc.org/isc/bind9/9.21.24
https://kb.isc.org/docs/cve-2026-13321
https://github.com/advisories/GHSA-36gp-wrgh-j78w