{"action":"Upgrade bind to 9.20.21-r0 or later.","affected":[{"fixed":"9.20.21-r0","introduced":"9.20.0"}],"component":"bind","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["9.20.21-r0"],"id":"tcs_01M5NFPKF2JDPQ5Z2FRA7KQ9FQ","modified_at":"2026-10-01T02:17:49.267418566Z","published_at":"2026-03-25T14:16:37.297Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-3591","https://security.alpinelinux.org/vuln/CVE-2026-3591"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-3591#Alpine:v3.23/bind","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-3591"}],"summary":"A use-after-return vulnerability exists in the `named` server when handling DNS queries signed with SIG(0). Using a specially-crafted DNS request, an attacker may be able to cause an ACL to improperly"}