{"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_01M6H97W8EVA57XY8EW5F1SHKT","modified_at":"2026-11-03T06:33:03.107286870Z","published_at":"2026-06-25T14:16:39.447Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-42387","https://security.alpinelinux.org/vuln/CVE-2026-42387"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-42387","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-42387"}],"summary":"A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to a crash of the Recursor due to insuffcient input validation."}