{"action":"Upgrade unbound to 1.8.3-r4 or later.","affected":[{"fixed":"1.8.3-r4","introduced":"0"}],"component":"unbound","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.9","exploited":false,"fixed_versions":["1.8.3-r4"],"id":"tcs_01M5NC447C3TNCG6TRYW9DHF8F","modified_at":"2026-10-26T11:17:55.105476031Z","published_at":"2020-05-19T14:15:11.253Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-12663","https://security.alpinelinux.org/vuln/CVE-2020-12663"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-12663#Alpine:v3.9/unbound","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-12663"}],"summary":"Unbound before 1.10.1 has an infinite loop via malformed DNS answers received from upstream servers."}