The article went up an hour and a half ago, at the exact same time as https://status.lastpass.com/ updated to say they were investigating. In under an hour, they acknowledged, identified, fixed, and verified the issue. The fix went out less than half an hour after they learned about it, and this HN submission was posted 1 hour ago, so no one learning of the issue by means of this HN submission will have been able to…
The article says the issues started on Friday and users told them then. So, it seems to be three days for a fix, not half an hour.