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CVE-2026-123587 Details

Description

The DNSSEC validation in the Hickory DNS hickory-net crate 0.26.0 before 0.26.2 identifies wraparound NSEC records by comparing the next domain name to an SOA record in the response, accepting that SOA even if it fails validation. Attackers who can supply DNS responses can combine a genuine NSEC record and its RRSIG with a crafted SOA record to forge nonexistence of any RRset.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.8 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-qw83-5pm2-ggp5	[email protected]
https://www.vulncheck.com/advisories/hickory-dns-0.26.0-before-0.26.2-dnssec-nonexistence-forgery-via-wraparound-nsec	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-290	Authentication Bypass by Spoofing	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes