modules:
  - module: std
    versions:
      - fixed: 1.13.13
      - introduced: 1.14.0
        fixed: 1.14.5
    packages:
      - package: crypto/x509
        goos:
          - windows
        symbols:
          - Certificate.systemVerify
description: |
    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.
published: 2022-02-17T17:46:03Z
cves:
  - CVE-2020-14039
credit: Niall Newman
references:
  - fix: https://go.dev/cl/242597
  - fix: https://go.googlesource.com/go/+/82175e699a2e2cd83d3aa34949e9b922d66d52f5
  - report: https://go.dev/issue/39360
  - web: https://groups.google.com/g/golang-announce/c/XZNfaiwgt2w