[Bug 1971715] Update Released

[Chris Halse Rogers]

The verification of the Stable Release Update for libidn has completed
successfully and the package is now being released to -updates.
Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report.  In
the event that you encounter a regression using the package from
-updates please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regressions.

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https://bugs.launchpad.net/bugs/1971715

Title:
  22.04 idn -a domain.com idn: could not convert from ASCII to UTF-8

Status in libidn package in Ubuntu:
  Fix Released
Status in libidn source package in Jammy:
  Fix Released
Status in libidn source package in Kinetic:
  Fix Released

Bug description:
  [ Impact ]

  idn cannot handle non-ASCII characters

  [ Test Plan ]

  Existing state in 22.04:

  $ echo ü | idn
  idn: could not convert from ASCII to UTF-8

  Fixed output:

  $ echo ü | idn
  xn--tda

  [ Where problems could occur ]

  The patch enables an extra autotools features, so the most likely
  problem is a build failure. Currently non-ASCII characters are
  entirely unhandled, so there's no risk of regression there, but this
  could potentially turn clean failures into crashes or incorrect
  output.

  [Original report]

  On Ubuntu 22.04 Jammy:

  idn -a "xxx-tést.eu"
  idn: could not convert from ASCII to UTF-8

  And

  idn -u "xn--xxx-tst-fya.eu"
  idn: could not convert from UTF-8 to ASCII

  Expected:
  Successfully conversion from ASCII to UTF-8

  Ubuntu 20.04 / 18.04 it works fine

  Also with idn2 from UTF-8 to ASCII works as expected how ever support
  lacks from ASCII to UTF-8

  Description:	Ubuntu 22.04 LTS
  Release:	22.04

  root at test:~# echo $LC_ALL
  C.UTF-8

  root at test:~# apt-cache policy  idn
  idn:
    Installed: 1.38-4build1
    Candidate: 1.38-4build1
    Version table:
   *** 1.38-4build1 500
          500 https://mirror.hetzner.com/ubuntu/packages jammy/universe amd64 Packages
          100 /var/lib/dpkg/status

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