{"action":"Upgrade samba to 2:4.17.12+dfsg-0+deb12u1 or later.","affected":[{"fixed":"2:4.17.12+dfsg-0+deb12u1","introduced":"0"}],"component":"samba","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2:4.17.12+dfsg-0+deb12u1"],"id":"tcs_01M5NJ8JGC1W6SKQ1Q2NHSBZCE","modified_at":"2026-10-26T18:02:33.114120520Z","published_at":"2023-11-03T08:15:08.197Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-4091","https://security-tracker.debian.org/tracker/CVE-2023-4091"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-4091","url":"https://osv.dev/vulnerability/DEBIAN-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"}