Provide references for CVE-2019-16930.
Where can I find more information about CVE-2019-16930?
References are available at: https://z.cash/support/security/announcements/security-announcement-2019-09-24/, https://github.com/zcash/zcash/commit/c1fbf8ab5d73cff5e1f45236995857c75ba4128d, https://github.com/zcash/zcash/releases/tag/v2.0.7-3, http://duke.leto.net/2019/10/01/zcash-metadata-leakage-cve-2019-16930.html.