Ubuntu 18.04 LTS / 20.04 LTS : stunnel vulnerability (USN-6901-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-6901-1 advisory. It was discovered that stunnel did not properly validate client certificates when configured to use both the redirect and verifyChain options. A remot...