Public bug reported:
User is able to define e-mail filters in Thunderbird. This can cover
multiple fields like From:, To:, Subject: and Content . Using Content
option allows a way to provide string which will be matched against
e-mail content. Although this doesn't work when message is base64
encoded - this format is properly displayed by Thunderbird but it seems
filters came to early and match user provided clear text against encoded
text in e-mail.
I confirmed this by defining filter with base64 fragment as desired
string but this is not an option for more dynamic messages - adding one
space before clear text string will change entrie string due to how
base64 encode work so it needs to fully decode e-mail and then apply
filters
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: thunderbird 1:68.10.0+build1-0ubuntu0.18.04.1
Uname: Linux 5.10.0-051000rc6-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.20
Architecture: amd64
BuildID: 20200629235513
CurrentDesktop: ubuntu:GNOME
Date: Mon Dec 14 02:19:49 2020
DefaultProfileExtensions: extensions.sqlite corrupt or missing
DefaultProfileIncompatibleExtensions: Unavailable (corrupt or non-existant
compatibility.ini or extensions.sqlite)
DefaultProfileLocales: extensions.sqlite corrupt or missing
DefaultProfilePrefErrors: Unexpected character ',' before close parenthesis @
/usr/lib/thunderbird/omni.ja:greprefs.js:1141
DefaultProfileThemes: extensions.sqlite corrupt or missing
InstallationDate: Installed on 2015-05-08 (2046 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=pl_PL.UTF-8
SHELL=/bin/bash
Profiles:
Profile1 (Default) - LastVersion=None/None (Out of date)
Profile0 - LastVersion=68.10.0/20200629235513 (In use)
SourcePackage: thunderbird
UpgradeStatus: Upgraded to bionic on 2018-08-26 (840 days ago)
** Affects: thunderbird (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic third-party-packages
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https://bugs.launchpad.net/bugs/1908010
Title:
Thunderbird filters doesn't handle base64 encoded message
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