Out of bounds memory access vulnerability in Google Chrome can be exploited remotely via specially designed website to bypass security restrictions.

Google Chrome earlier than 70.0.3538.102

Update to the latest version. File with name old_chrome can be still detected after update. It caused by Google Chrome update policy which does not remove old versions when installing updates. Try to contact vendor for further delete instructions or ignore such kind of alerts at your own risk.
Google Chrome download page

Stable Channel Update for Desktop