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. CREATE(Triage):(User=admin) [CVE-2019-19221|https://nvd.nist.gov/vuln/detail/CVE-2019-19221]
