{"action":"Upgrade pdns-recursor to 5.4.3-r0 or later.","affected":[{"fixed":"5.4.3-r0","introduced":"0"}],"component":"pdns-recursor","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.24","exploited":false,"fixed_versions":["5.4.3-r0"],"id":"tcs_01M6G9J1EHNEQ87C3T1QH4H3GQ","modified_at":"2026-11-03T06:30:17.439701744Z","published_at":"2026-06-25T14:16:39.760Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-42390","https://security.alpinelinux.org/vuln/CVE-2026-42390"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-42390","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-42390"}],"summary":"An invalid zone might pass ZONEMD validation while it should not. This is only relevant if ZoneToCache is configured with ZONEMD validation."}