Provide references for CVE-2018-20839.
Where can I find more information about CVE-2018-20839?
References are available at: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1803993, https://github.com/systemd/systemd/commit/9725f1a10f80f5e0ae7d9b60547458622aeb322f, https://github.com/systemd/systemd/pull/12378, http://www.securityfocus.com/bid/108389, https://security.netapp.com/advisory/ntap-20190530-0002/, https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E.