This bug was fixed in the package update-manager - 1:18.04.6
--------------- update-manager (1:18.04.6) bionic; urgency=medium
* Use HTTPS for changelogs.ubuntu.com (LP: #1744318)
-- Julian Andres Klode <email address hidden> Thu, 15 Mar 2018 14:19:24 +0100
This bug was fixed in the package update-manager - 1:18.04.6
---------------
update-manager (1:18.04.6) bionic; urgency=medium
* Use HTTPS for changelogs. ubuntu. com (LP: #1744318)
-- Julian Andres Klode <email address hidden> Thu, 15 Mar 2018 14:19:24 +0100