All autopkgtests for the newly accepted apt (1.6.13) for bionic have finished 
running.
The following regressions have been reported in tests triggered by the package:

apport/2.20.9-0ubuntu7.23 (amd64, i386)


Please visit the excuses page listed below and investigate the failures, 
proceeding afterwards as per the StableReleaseUpdates policy regarding 
autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/bionic/update_excuses.html#apt

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

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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/1916050

Title:
  Invalid base64 for high-bit characters

Status in apt package in Ubuntu:
  Fix Released
Status in apt source package in Xenial:
  Confirmed
Status in apt source package in Bionic:
  Fix Committed
Status in apt source package in Focal:
  Fix Committed
Status in apt source package in Groovy:
  Fix Committed
Status in apt source package in Hirsute:
  Fix Released

Bug description:
  [Impact]
  The Base64Encode function incorrectly encodes using char instead of uint8_t, 
leading to characters with the high bit set to be encoded wrongly. This 
function is used for base authentication, and high bits are set for UTF-8 
character sequences, so it's likely affecting people with utf-8 user names and 
passwords and might cause them to be denied access to their https resources 
(though arguably they'd work around that).

  [Test case]
  A unit test has been added that checks that the encoding is correct.

  [Where problems could occur]
  This only affects the base64 encoding function, which is only used for 
quoting user names and passwords in basic auth in http, but it's also exposed 
to library users and like in python-apt, so problems could occur wherever they 
use that base64 encoding function as well.

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