Control: reassign -1 python3.12
Control: found -1 3.12.6-1
Control: affects -1 unattended-upgrades
Control: forwarded -1 https://github.com/python/cpython/issues/124170
(also anything that received the security update, but it's hard to track
as it's multiple packages)
On Tue, Aug 27, 2024 at 11:50:58AM GMT, Moritz Schlarb wrote:
> Package: unattended-upgrades
> Version: 2.11
> Severity: normal
>
> Dear Maintainer,
>
> I found the following python tracebacks in my syslog:
>
> apt.systemd.daily: Traceback (most recent call last):
> apt.systemd.daily: File "/usr/bin/unattended-upgrade", line 2246, in main
> apt.systemd.daily: send_summary_mail(res.pkgs, res.success,
> res.result_str,
> apt.systemd.daily: File "/usr/bin/unattended-upgrade", line 1728, in
> send_summary_mail
> apt.systemd.daily: ret = _send_mail_using_sendmail(from_email, to_email,
> subject, body)
> apt.systemd.daily:
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> apt.systemd.daily: File "/usr/bin/unattended-upgrade", line 1624, in
> _send_mail_using_sendmail
> apt.systemd.daily: sendmail.stdin.write(msg.as_string())
> apt.systemd.daily: ^^^^^^^^^^^^^^^
> apt.systemd.daily: File "/usr/lib/python3.12/email/message.py", line 181,
> in as_string
> apt.systemd.daily: from email.generator import Generator
> apt.systemd.daily: File "/usr/lib/python3.12/email/generator.py", line 17,
> in <module>
> apt.systemd.daily: from email.errors import HeaderWriteError
> apt.systemd.daily: ImportError: cannot import name 'HeaderWriteError' from
> 'email.errors' (/usr/lib/python3.12/email/errors.py). Did you mean:
> 'HeaderParseError'?
> apt.systemd.daily: During handling of the above exception, another exception
> occurred:
> apt.systemd.daily: Traceback (most recent call last):
> apt.systemd.daily: File "/usr/bin/unattended-upgrade", line 2757, in
> <module>
> apt.systemd.daily: sys.exit(main(options))
> apt.systemd.daily: ^^^^^^^^^^^^^
> apt.systemd.daily: File "/usr/bin/unattended-upgrade", line 2271, in main
> apt.systemd.daily: send_summary_mail(["<unknown>"], False, _("An error
> occurred"),
> apt.systemd.daily: File "/usr/bin/unattended-upgrade", line 1728, in
> send_summary_mail
> apt.systemd.daily: ret = _send_mail_using_sendmail(from_email, to_email,
> subject, body)
> apt.systemd.daily:
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> apt.systemd.daily: File "/usr/bin/unattended-upgrade", line 1624, in
> _send_mail_using_sendmail
> apt.systemd.daily: sendmail.stdin.write(msg.as_string())
> apt.systemd.daily: ^^^^^^^^^^^^^^^
> apt.systemd.daily: File "/usr/lib/python3.12/email/message.py", line 181,
> in as_string
> apt.systemd.daily: from email.generator import Generator
> apt.systemd.daily: File "/usr/lib/python3.12/email/generator.py", line 17,
> in <module>
> apt.systemd.daily: from email.errors import HeaderWriteError
> apt.systemd.daily: ImportError: cannot import name 'HeaderWriteError' from
> 'email.errors' (/usr/lib/python3.12/email/errors.py). Did you mean:
> 'HeaderParseError'?
This happens because the new python security update introduces a
new error class HeaderWriteError and email.generator is made to
rely on this.
Now, email.generator is not imported by the application, but inside
the function call of email.message.Message.as_string() which happens
after the update.
But our previous imports of email.message already imported email.errors
from before the update, so we are lacking the new error class.
--
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