Sign in for google doesn't meet modern security standards

[Jon]

uname -a
Linux s440 3.19.0-25-generic #26-Ubuntu SMP Fri Jul 24 21:17:31 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 15.04
Release: 15.04
Codename: vivid

I tried to log-in with my google account but nothing happen. Then I checked my mail and I got an email from google stating:

"Sign-in attempt prevented

Hi [my name],
Someone just tried to sign in to your Google Account [my email] from an app that doesn't meet modern security standards.
 Details:
Monday, August 3, 2015 11:34 AM (Central European Summer Time)
Berlin, Germany*
We strongly recommend that you use a secure app, like Gmail, to access your account. All apps made by Google meet these security standards. Using a less secure app, on the other hand, could leave your account vulnerable. Learn more.

Google stopped this sign-in attempt, but you should review your recently used devices:"

The email contains a link to the following web site: https://support.google.com/accounts/answer/6010255

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Jason Moore (moorepants)]

I am running Ubuntu 15.04 and get a "Sign-in attempt prevented" email from Google about once a day from my machine. I assume this an Ubuntu application that signs in to Google without the o-auth.

[Felipe Figueiredo (philsf)]

Also happens to me sometimes on Ubuntu.

[Felipe Figueiredo (philsf)]

I have since removed and re-added my gtalk accounts, and have been using the workaround of bug #1069531 as often as required (killall signonpluginprocess).

I don't know if this bug is related to bug #1069531. Maybe they are the duplicates?

If this bug happens to me again, I'll try to find the time to investigate more.