This issue was actually fixed in AppStream ages ago - definitely resolved in Bionic+.
** Changed in: appstream (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to appstream in Ubuntu. https://bugs.launchpad.net/bugs/1709144 Title: /usr/bin/appstreamcli:*** Error in `appstreamcli': double free or corruption (!prev): ADDR *** Status in appstream package in Ubuntu: Fix Released Bug description: The Ubuntu Error Tracker has been receiving reports about a problem regarding appstream. This problem was most recently seen with package version 0.10.6-2, the problem page at https://errors.ubuntu.com/problem/6724539592ad387e87c9af549e40d283f89878bb contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports. If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/appstream/+bug/1709144/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp