{"id":"CVE-2026-123583","title":"Hickory DNS 0.25.0 through 0.25.2 Missing Bailiwick Filtering on Negative Responses","summary":"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 c…","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","cvssSource":"cna","cwe":["CWE-349"],"vendor":"hickory-dns","product":"hickory-dns","affected":["hickory-dns >= 0.25.0 <= 0.25.2","hickory-dns >= 0.26.0 < 0.26.2"],"published":"2026-11-08","updated":"2026-11-08","sourceUpdated":"2026-11-08T01:38:16.884Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123583","references":[{"url":"https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-vcjp-57rr-mpfw","label":"GitHub Security Advisory (GHSA-vcjp-57rr-mpfw)"},{"url":"https://www.vulncheck.com/advisories/hickory-dns-0.25.0-through-0.25.2-missing-bailiwick-filtering-on-negative-responses","label":"VulnCheck Advisory: Hickory DNS 0.25.0 through 0.25.2 Missing Bailiwick Filtering on Negative Responses"}],"tags":["cve.org"],"ingestedAt":"2026-11-08T02:43:18.650Z","slug":"CVE-2026-123583","body":"## Overview\n\nThe 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.\n\n## Affected\n\n- `hickory-dns >= 0.25.0 <= 0.25.2`\n- `hickory-dns >= 0.26.0 < 0.26.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":20,"depthScoreParts":{"impact":20.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}