{"action":"Upgrade samba to 4.18.8-r0 or later.","affected":[{"fixed":"4.18.8-r0","introduced":"4.18.0"}],"component":"samba","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["4.18.8-r0"],"id":"tcs_01M5NERE2EZ7DGDP2GK8M973DB","modified_at":"2026-10-23T17:17:56.749786562Z","published_at":"2023-11-03T08:15:08.197Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2023-4091","https://security.alpinelinux.org/vuln/CVE-2023-4091"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2023-4091#Alpine:v3.23/samba","url":"https://osv.dev/vulnerability/ALPINE-CVE-2023-4091"}],"summary":"A vulnerability was discovered in Samba, where the flaw allows SMB clients to truncate files, even with read-only permissions when the Samba VFS module \"acl_xattr\" is configured with \"acl_xattr:ignore"}