Provide references for CVE-2020-15899.
Where can I find more information about CVE-2020-15899?
References are available at: https://github.com/mimblewimble/grin/compare/v3.1.1...v4.0.0, https://github.com/mimblewimble/grin-security/blob/master/CVEs/CVE-2020-15899.md.