GO-2021-0223 Certificate verification error on Windows in crypto/x509

On Windows, if VerifyOptions.Roots is nil, Certificate.Verify does not check the EKU requirements specified in VerifyOptions.KeyUsages. This may allow a certificate to be used for an unintended purpose...

CVE-2020-14039: Improper Certificate Validation

In Go before 1.13.13 and 1.14.x before 1.14.5, Certificate.Verify may lack a check on the VerifyOptions.KeyUsages EKU requirements if VerifyOptions.Roots equals nil and the installation is on Windows. Thus, X.509 certificate verification is incomplete...