Provide references for CVE-2019-9923.
Where can I find more information about CVE-2019-9923?
References are available at: https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241, http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120, http://savannah.gnu.org/bugs/?55369, http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html, https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E, https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E.