On 17. Sep 2025, at 11.42, Trent W. Buck <[email protected]> wrote: > > Package: dovecot-core > Version: 1:2.4.1+dfsg1-6 > Severity: important > > While porting a dovecot 2.3 config to 2.4, > I noticed that if I logged in as two different users, > both got the mailbox of the first user to log in. > This problem does not occur with > "doveadm exec imap -u alice" and > "doveadm exec imap -u bob". > > Attached are transcripts demonstrating the problem. > This is a sufficient /etc/dovecot/dovecot.conf to trigger the problem: > > dovecot_config_version = 2.4.1 > dovecot_storage_version = 2.4.1 > passdb pam { > } > userdb passwd { > } > auth_cache_size = 10M
This is fixed by https://github.com/dovecot/core/commit/a70ce7d3e2f983979e971414c5892c4e30197231. We were supposed to make a new community release soon after fixing it, but vacations and other things caused it to be forgotten.
