I just received the latest adobe-flashplugin version via a package upgrade.
$ dpkg-query -W adobe-flashplugin adobe-flashplugin 1:20180410.1-0ubuntu1 So this issue seems to be resolved. ** Changed in: adobe-flashplugin (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Canonical Partner Developers, which is subscribed to adobe-flashplugin in Ubuntu. https://bugs.launchpad.net/bugs/1767476 Title: Flash Player out of date To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/adobe-flashplugin/+bug/1767476/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~canonical-partner-dev Post to : canonical-partner-dev@lists.launchpad.net Unsubscribe : https://launchpad.net/~canonical-partner-dev More help : https://help.launchpad.net/ListHelp