What is GHSA-7x66-7p9h-vgp9?

GHSA-7x66-7p9h-vgp9 is a security advisory published by GitHub Security Advisories with High severity. Hickory DNS from 0.24.0 before 0.26.2 contains a resource exhaustion vulnerability that allows...

Which CVE IDs does GHSA-7x66-7p9h-vgp9 cover?

GHSA-7x66-7p9h-vgp9 covers the following CVE IDs: CVE-2026-123577. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-7x66-7p9h-vgp9?

GHSA-7x66-7p9h-vgp9 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-7x66-7p9h-vgp9HighCVSS 7.5

Hickory DNS from 0.24.0 before 0.26.2 contains a resource exhaustion vulnerability that allows...

Vendor

GitHub Security Advisories

Published

November 8, 2026

Last Modified

November 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-123577 →

📋 Description

Hickory DNS from 0.24.0 before 0.26.2 contains a resource exhaustion vulnerability that allows remote attackers to consume server memory via unbounded DoH request bodies. Attackers can send large request bodies over HTTP/2 or HTTP/3 to a DNS over HTTP server, causing memory exhaustion and denial of service.

🔗 References (4)

https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-5r56-v84h-c3w5
https://nvd.nist.gov/vuln/detail/CVE-2026-123577
https://www.vulncheck.com/advisories/hickory-dns-0.24.0-before-0.26.2-doh-unbounded-request-body-denial-of-service
https://github.com/advisories/GHSA-7x66-7p9h-vgp9