{"action":"Upgrade hickory-recursor to 0.26.0 or later.","affected":[{"fixed":"0.26.0","introduced":"0.24.0"}],"component":"hickory-recursor","cve_ids":["CVE-2026-42254"],"ecosystem":"crates.io","epss":0.00162,"exploited":false,"fixed_versions":["0.26.0"],"ghsa_id":"GHSA-83hf-93m4-rgwq","id":"tcs_01M5KEVHYAKCRWDFSNXYM4HTE3","modified_at":"2026-07-08T08:12:56.458992426Z","published_at":"2026-04-30T18:10:58Z","references":["https://osv.dev/vulnerability/GHSA-83hf-93m4-rgwq","https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-83hf-93m4-rgwq","https://github.com/hickory-dns/hickory-dns"],"severity":{"label":"medium","score":4},"sources":[{"source":"osv","source_id":"GHSA-83hf-93m4-rgwq","url":"https://osv.dev/vulnerability/GHSA-83hf-93m4-rgwq"},{"source":"nvd","source_id":"CVE-2026-42254","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42254"}],"summary":"Hickory DNS's Record Cache Accepts AUTHORITY-Section NS from Sibling Zone via Parent-Pool Zone-Context Elevation"}