{"action":"Upgrade libarchive to 3.4.2-r0 or later.","affected":[{"fixed":"3.4.2-r0","introduced":"0"}],"component":"libarchive","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["3.4.2-r0"],"id":"tcs_01M5NBJXY1EVTR65FS0D2RRK35","modified_at":"2026-09-21T06:17:52.507042038Z","published_at":"2019-11-21T23:15:13.887Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2019-19221","https://security.alpinelinux.org/vuln/CVE-2019-19221"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2019-19221#Alpine:v3.23/libarchive","url":"https://osv.dev/vulnerability/ALPINE-CVE-2019-19221"}],"summary":"In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive."}