[Bug 2129660] [NEW] Unattended upgrades broken in 25.10 due to Rust coreutils date bug

[Marian Rainer-Harbach]

Public bug reported:

Bug #2127970 breaks unattended upgrades in 25.10.

`apt.systemd.daily` checks if the modification date of the timestamp
file /var/lib/apt/periodic/upgrade-stamp is older than the current date
minus an interval. Due to the Rust `date` bug, the difference is always
seen as 0 and unattended upgrades never run.

The bug in `date` is fixed, but how will affected machines get the new
version?

** Affects: unattended-upgrades (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2129660

Title:
  Unattended upgrades broken in 25.10 due to Rust coreutils date bug

Status in unattended-upgrades package in Ubuntu:
  New

Bug description:
  Bug #2127970 breaks unattended upgrades in 25.10.

  `apt.systemd.daily` checks if the modification date of the timestamp
  file /var/lib/apt/periodic/upgrade-stamp is older than the current
  date minus an interval. Due to the Rust `date` bug, the difference is
  always seen as 0 and unattended upgrades never run.

  The bug in `date` is fixed, but how will affected machines get the new
  version?

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