Vulnerability Description
The recursive resolver in Hickory DNS hickory-recursor 0.25.0 through 0.25.2 and hickory-resolver 0.26.0 before 0.26.2 does not apply out-of-bailiwick filtering to negative responses. Attackers able to supply crafted negative responses can include out-of-bailiwick records to facilitate cache poisoning and more easily exploit other DNSSEC verification flaws.
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-vcjp-57rr-mp
- https://www.vulncheck.com/advisories/hickory-dns-0.25.0-through-0.25.2-missing-b
FAQ
What is CVE-2026-123583?
CVE-2026-123583 is a vulnerability with a CVSS score of 3.7 (LOW). The recursive resolver in Hickory DNS hickory-recursor 0.25.0 through 0.25.2 and hickory-resolver 0.26.0 before 0.26.2 does not apply out-of-bailiwick filtering to negative responses. Attackers able t...
How severe is CVE-2026-123583?
CVE-2026-123583 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-123583?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.