Provide references for CVE-2019-20387.
Where can I find more information about CVE-2019-20387?
References are available at: https://github.com/openSUSE/libsolv/commit/fdb9c9c03508990e4583046b590c30d958f272da, https://github.com/openSUSE/libsolv/compare/0.7.5...0.7.6, https://lists.debian.org/debian-lts-announce/2020/01/msg00034.html.