{"action":"Upgrade unbound to 1.25.2-r0 or later.","affected":[{"fixed":"1.25.2-r0","introduced":"1.4.22"}],"component":"unbound","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.22","exploited":false,"fixed_versions":["1.25.2-r0"],"id":"tcs_01M5NFTRT8GKRCFMYN8B4WQX1H","modified_at":"2026-10-01T02:17:49.333376583Z","published_at":"2026-07-22T14:17:20.627Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-50252","https://security.alpinelinux.org/vuln/CVE-2026-50252"],"severity":{"label":"critical","score":9.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-50252","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-50252"}],"summary":"In NLnet Labs Unbound 1.4.22 up to and including 1.25.1, UDP source port is randomized and intended to serve as a secret value that increases the entropy of DNS transactions. When resolver load balanc"}