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[Bug 1039471] New: Update to Thunderbird 52 breaks Enigmail decryption of e-mail attachments
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Wed, 17 May 2017 10:30:03 +0000
  • Message-id: <bug-1039471-21960@http.bugzilla.opensuse.org/>
http://bugzilla.opensuse.org/show_bug.cgi?id=1039471


Bug ID: 1039471
Summary: Update to Thunderbird 52 breaks Enigmail decryption of
e-mail attachments
Classification: openSUSE
Product: openSUSE Distribution
Version: Leap 42.2
Hardware: x86-64
OS: openSUSE 42.2
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Maintenance
Assignee: bnc-team-screening@xxxxxxxxxxxxxxxxxxxxxx
Reporter: ernst@xxxxxxxxxxxxxxx
QA Contact: qa-bugs@xxxxxxx
Found By: ---
Blocker: ---

openSUSE's recent update of Thunderbird to 52.1.0 breaks Enigmail's ability to
decrypt & save encrypted attachments. This is a real show stopper if you use
encrypted emails on a daily basis.

Steps to reproduce: Receive an email with encrypted body and encrypted
attachments. Open the e-mail in Thunderbird, type in your GPG key phrase, read
the decrypted e-mail and save the attached file to disk.

Expected result: High CPU-load (due to decryption) for a few seconds and
eventually the attached file somewhere in one's file system.

Actual result: High CPU-load (as expected) and a file of zero bytes size
somewhere in one's file system.

Likely explanation: The openSUSE-update of Thunderbird was not accompanied by
an update of Enigmail. Usually, both Thunderbird and Enigmail receive updates
around the same time. Right now, openSUSE ships Enigmail 1.9.5(-1.4), which
explicitly only supports Thunderbird up to version number 51. Enigmail
1.9.6(.1) is available, which is compatible with Thunderbird 52.

Workaround: Downgrade Thunderbird to 45.8.0(-39.1).

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