What is GHSA-29xw-595w-jfj7?

GHSA-29xw-595w-jfj7 is a security advisory published by GitHub Security Advisories with High severity. The zone file parser in the hickory-proto crate of Hickory DNS 0.24.0 before 0.26.2 panics when a...

Which CVE IDs does GHSA-29xw-595w-jfj7 cover?

GHSA-29xw-595w-jfj7 covers the following CVE IDs: CVE-2026-123574. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-29xw-595w-jfj7?

GHSA-29xw-595w-jfj7 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-29xw-595w-jfj7HighCVSS 7.5

The zone file parser in the hickory-proto crate of Hickory DNS 0.24.0 before 0.26.2 panics when a...

Vendor

GitHub Security Advisories

Published

November 8, 2026

Last Modified

November 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-123574 →

📋 Description

The zone file parser in the hickory-proto crate of Hickory DNS 0.24.0 before 0.26.2 panics when a single token in a zone file is 4096 bytes or longer. Attackers who can supply untrusted zone files to an application using the parser can trigger the panic to cause a denial of service.

🔗 References (4)

https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-4rph-pmrw-mwpw
https://nvd.nist.gov/vuln/detail/CVE-2026-123574
https://www.vulncheck.com/advisories/hickory-dns-0.24.0-before-0.26.2-denial-of-service-via-zone-file-parser
https://github.com/advisories/GHSA-29xw-595w-jfj7