What is GHSA-hpqr-cvqv-p4qm?

GHSA-hpqr-cvqv-p4qm is a security advisory published by GitHub Security Advisories with Medium severity. The DNS-over-QUIC (DoQ) server in hickory-server (hickory-dns) before 0.26.2 does not apply any...

Which CVE IDs does GHSA-hpqr-cvqv-p4qm cover?

GHSA-hpqr-cvqv-p4qm covers the following CVE IDs: CVE-2026-123589. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-hpqr-cvqv-p4qm?

GHSA-hpqr-cvqv-p4qm has a CVSS v3 base score of 5.3, published by GitHub Security Advisories.

GHSA-hpqr-cvqv-p4qmMediumCVSS 5.3

The DNS-over-QUIC (DoQ) server in hickory-server (hickory-dns) before 0.26.2 does not apply any...

Vendor

GitHub Security Advisories

Published

November 8, 2026

Last Modified

November 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-123589 →

📋 Description

The DNS-over-QUIC (DoQ) server in hickory-server (hickory-dns) before 0.26.2 does not apply any timeout when reading a request message from a QUIC stream, bypassing all configured timeouts. A remote unauthenticated client can open a connection and a request stream and hold it open indefinitely, consuming server resources and causing a denial of service.

🔗 References (4)

https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-g8wg-4mwh-fjfv
https://nvd.nist.gov/vuln/detail/CVE-2026-123589
https://www.vulncheck.com/advisories/hickory-dns-before-0.26.2-denial-of-service-via-missing-dns-over-quic-request-read-timeout
https://github.com/advisories/GHSA-hpqr-cvqv-p4qm