[Bug 1956039] Re: BADSIG 871920D1991BC93C Ubuntu Archive Automatic Signing Key (2018) <ftpmaster at ubuntu.com>

[Seb Bonnard]

Hi, I also have the same problem on Ubuntu 24.04.1.

A solution was to remove the "apt-cacher-ng" cache for Ubuntu noble :

sudo rm -rf /var/cache/apt-cacher-ng/uburep/dists/noble-*/


** Package changed: apt (Ubuntu) => apt-cacher-ng (Ubuntu)

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Title:
  BADSIG 871920D1991BC93C Ubuntu Archive Automatic Signing Key (2018)
  <ftpmaster at ubuntu.com>

Status in apt-cacher-ng package in Ubuntu:
  Confirmed

Bug description:
  Updating Jammy fails with:

  Get:2 http://archive.ubuntu.com/ubuntu jammy InRelease [270 kB]     
  Err:2 http://archive.ubuntu.com/ubuntu jammy InRelease
    The following signatures were invalid: BADSIG 871920D1991BC93C Ubuntu Archive Automatic Signing Key (2018) <ftpmaster at ubuntu.com>

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