Provide references for CVE-2019-6477.
Where can I find more information about CVE-2019-6477?
References are available at: https://kb.isc.org/docs/cve-2019-6477, https://www.synology.com/security/advisory/Synology_SA_19_39, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XGURMGQHX45KR4QDRCSUQHODUFOGNGAN/, https://support.f5.com/csp/article/K15840535?utm_source=f5support&amp%3Butm_medium=RSS, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3DEMNZMKR57VQJCG5ZN55ZGTQRL2TFQ/, https://www.debian.org/security/2020/dsa-4689, http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html, http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html.