102.2.2 breaks SSL connection to dovecot imap

Bug #1992271 reported by Andy Howell
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
thunderbird (Ubuntu)
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Undecided
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Bug Description

Description: Ubuntu 22.04.1 LTS
Release: 22.04

thunderbird:
  Installed: 1:91.8.0+build2-0ubuntu1
  Candidate: 1:102.2.2+build1-0ubuntu0.22.04.1
  Version table:
     1:102.2.2+build1-0ubuntu0.22.04.1 500
        500 http://us.archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu jammy-security/main amd64 Packages
 *** 1:91.8.0+build2-0ubuntu1 500
        500 http://us.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
        100 /var/lib/dpkg/status

After upgrading to 102.2.2, I could no longer connect to imap server. Dovecot was logging:

dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=172.16.10.169, lip=192.168.15.24, TLS handshaking: SSL_accept() failed: error:14094412:SSL routines:ssl3_read_bytes:sslv3 alert bad certificate: SSL alert number 42, session=<7W9wZZTqCoKsEAxf>

Downgraded to 91.8.0 and started thunderbird with --allow-downgrade allowed it to start, but it would still not connect

I turning off auto-connect, restarted TB and clicked "Get Messages". That brings up the certificate exception dialog needed for self-signed certificates.

After that 91.8.0 worked. Trying the same thing with 102.2.2 does not work. It seems that 102.2.2 will not work with self signed certificates.

Revision history for this message
Olivier Tilloy (osomon) wrote :

Thanks for the report Andy. Could you please file an upstream bug at https://bugzilla.mozilla.org/enter_bug.cgi?product=Thunderbird, and share the link here?

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