{"action":"Upgrade samba to 4.21.9-r0 or later.","affected":[{"fixed":"4.21.9-r0","introduced":"0"}],"component":"samba","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.22","exploited":false,"fixed_versions":["4.21.9-r0"],"id":"tcs_01M5NFG81M0NJCDW5FAKPHBDTH","modified_at":"2026-08-27T22:18:03.073169629Z","published_at":"2025-10-15T13:16:01.997Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2025-9640","https://security.alpinelinux.org/vuln/CVE-2025-9640"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2025-9640","url":"https://osv.dev/vulnerability/ALPINE-CVE-2025-9640"}],"summary":"A flaw was found in Samba, in the vfs_streams_xattr module, where uninitialized heap memory could be written into alternate data streams. This allows an authenticated user to read residual memory cont"}