Provide references for CVE-2019-16747.
Where can I find more information about CVE-2019-16747?
References are available at: https://github.com/matrixssl/matrixssl/issues/33, https://github.com/matrixssl/matrixssl/releases/tag/4-2-2-open, https://github.com/matrixssl/matrixssl/blob/4-2-2-open/doc/CHANGES_v4.x.md.