[Bug 1829861] Autopkgtest regression report (apt/1.6.12)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted apt (1.6.12) for bionic have finished running.
The following regressions have been reported in tests triggered by the package:

sbuild/0.75.0-1ubuntu1 (ppc64el)
apport/2.20.9-0ubuntu7.7 (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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https://bugs.launchpad.net/bugs/1829861

Title:
  handle TLS session renegotiation

Status in apt package in Ubuntu:
  Fix Released
Status in apt source package in Bionic:
  Fix Committed
Status in apt source package in Disco:
  Fix Committed
Status in apt source package in Eoan:
  Fix Released

Bug description:
  [Impact]
  TLS sessions can renegotiate keys, but APT does not support it; meaning their HTTPS connections stop working.

  [Test case]
  We don't really have a reproducer. You'd need a server that re-negotiates by path; e.g. because it requires a a certain client certificate for a certain path.

  We know it does not break other use cases, having run that for quite
  some time in eoan and Debian stretch, and the patch was tested by the
  patch submitter @ Akamai (see https://github.com/Debian/apt/pull/93).

  [Regression potential]
  - Could we get stuck on renegotiation?

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