{"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_01M5NC41K0RQ91PMD42534TWNP","modified_at":"2026-10-26T11:17:55.105194108Z","published_at":"2020-05-19T14:15:11.190Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-12662","https://security.alpinelinux.org/vuln/CVE-2020-12662"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-12662#Alpine:v3.9/unbound","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-12662"}],"summary":"Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an \"NXNSAttack\" issue. This is triggered by random subdomains in the NSDNAME in NS records."}