A vulnerability was found 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.
Created libarchive tracking bugs for this issue:
Affects: fedora-all [bug 1801636]
This issue has been addressed in the following products:
Red Hat Enterprise Linux 8
Via RHSA-2020:4443 https://access.redhat.com/errata/RHSA-2020:4443
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):