{"action":"Upgrade bind to 9.18.41-r0 or later.","affected":[{"fixed":"9.18.41-r0","introduced":"0"}],"component":"bind","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.21","exploited":false,"fixed_versions":["9.18.41-r0"],"id":"tcs_01M5NFBZBP8DG2RYFCCG7BFDYF","modified_at":"2026-08-27T22:18:02.897044666Z","published_at":"2025-10-22T16:15:42.720Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2025-40780","https://security.alpinelinux.org/vuln/CVE-2025-40780"],"severity":{"label":"high","score":8.6},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2025-40780#Alpine:v3.21/bind","url":"https://osv.dev/vulnerability/ALPINE-CVE-2025-40780"}],"summary":"In specific circumstances, due to a weakness in the Pseudo Random Number Generator (PRNG) that is used, it is possible for an attacker to predict the source port and query ID that BIND will use."}