{"action":"Upgrade shadow to 4.13-r4 or later.","affected":[{"fixed":"4.13-r4","introduced":"0"}],"component":"shadow","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.20","exploited":false,"fixed_versions":["4.13-r4"],"id":"tcs_01M6GWVRHY944FS8Y08QR0E62P","modified_at":"2026-11-03T06:32:42.577365066Z","published_at":"2023-04-14T22:15:07.680Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2023-29383","https://security.alpinelinux.org/vuln/CVE-2023-29383"],"severity":{"label":"low","score":3.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2023-29383#Alpine:v3.20/shadow","url":"https://osv.dev/vulnerability/ALPINE-CVE-2023-29383"}],"summary":"In Shadow 4.13, it is possible to inject control characters into fields provided to the SUID program chfn (change finger). Although it is not possible to exploit this directly (e.g., adding a new user"}