Fixing [missing_subjectAltName] in Chrome 58
Google Chrome is breaking the internet yet again, for the greater good. I’m not going into the details here, but you’ll find some info behind the attached link.
XCA to the rescue (again)
This time the fix comprises the revokation and replacement of all affected certificates with ones where the Subject Alt Name matches the Common Name. XCA helps with the formatting and validation of the SAN value:
And Chrome is at last a happy camper again ^^