{"action":"Upgrade knot-resolver to 5.1.1-r0 or later.","affected":[{"fixed":"5.1.1-r0","introduced":"0"}],"component":"knot-resolver","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.15","exploited":false,"fixed_versions":["5.1.1-r0"],"id":"tcs_01M6GKNE3HF0SVTJ3RGNAT57P9","modified_at":"2026-11-03T06:32:23.514627694Z","published_at":"2020-05-19T13:15:11.763Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-12667","https://security.alpinelinux.org/vuln/CVE-2020-12667"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-12667#Alpine:v3.15/knot-resolver","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-12667"}],"summary":"Knot Resolver before 5.1.1 allows traffic amplification via a crafted DNS answer from an attacker-controlled server, aka an \"NXNSAttack\" issue. This is triggered by random subdomains in the NSDNAME in"}