I believe I have just experienced this bug in xenial with apt 1.2.32. Files in /var/lib/apt/lists contained HTML from a captive portal, breaking apt until they were removed.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/756317 Title: Captive portals may corrupt apt translation indices Status in apt package in Ubuntu: Fix Released Status in apt package in Debian: Fix Released Bug description: I have an adsl modem which returns an html page if the adsl link is broken. This page ends as the content of the apt cache files stored in /var/lib/apt/lists, which breaks apt. The only way to make apt work again is to delete all the files stored in /var/lib/apt/lists. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/756317/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp