What is GHSA-p3hw-2hh6-3p6w?

GHSA-p3hw-2hh6-3p6w is a security advisory published by GitHub Security Advisories with High severity. Hickory DNS before 0.26.2 contains a resource exhaustion vulnerability in its DNS-over-HTTPS HTTP...

Which CVE IDs does GHSA-p3hw-2hh6-3p6w cover?

GHSA-p3hw-2hh6-3p6w covers the following CVE IDs: CVE-2026-123575. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-p3hw-2hh6-3p6w?

GHSA-p3hw-2hh6-3p6w has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-p3hw-2hh6-3p6wHighCVSS 7.5

Hickory DNS before 0.26.2 contains a resource exhaustion vulnerability in its DNS-over-HTTPS HTTP...

Vendor

GitHub Security Advisories

Published

November 8, 2026

Last Modified

November 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-123575 →

📋 Description

Hickory DNS before 0.26.2 contains a resource exhaustion vulnerability in its DNS-over-HTTPS HTTP/2 server that lacks sufficient timeouts or limits for incomplete request bodies. Remote attackers can open DoH connections, send incomplete request bodies, and hold connections open to exhaust server memory.

🔗 References (4)

https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-g5xf-qv55-wv37
https://nvd.nist.gov/vuln/detail/CVE-2026-123575
https://www.vulncheck.com/advisories/hickory-dns-before-0.26.2-doh-memory-exhaustion-via-incomplete-request-bodies
https://github.com/advisories/GHSA-p3hw-2hh6-3p6w