{"action":"Upgrade bash to 4.4-1 or later.","affected":[{"fixed":"4.4-1","introduced":"0"}],"component":"bash","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.4-1"],"id":"tcs_01M5NBD2FD1BTMHFSX8WSDMXMA","modified_at":"2026-09-22T07:00:05.462110889Z","published_at":"2017-08-28T15:29:01.487Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-0634","https://security-tracker.debian.org/tracker/CVE-2016-0634"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-0634","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-0634"}],"summary":"The expansion of '\\h' in the prompt string in bash 4.3 allows remote authenticated users to execute arbitrary code via shell metacharacters placed in 'hostname' of a machine."}