Mozilla's developers of the email client Thunderbird released version 52.9.0 earlier this mont. Now version 52.9.1 with bug fixes has been released. Here is a short overview, what's fixed.
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The release notes says, Thunderbird will now prompt to compact IMAP folders even if the account is online, and lists the following fixes:
- FIXED: Complete fix of the EFAIL vulnerability: 1) Removing some HTML crafted to carry out an attack. 2) Optionally: Not decrypting subordinate message parts that otherwise might reveal decrypted content to the attacker. Preference mailnews.p7m_subparts_external needs to be set to true for added security.
- FIXED: Various problems when forwarding messages inline when using "simple" HTML view
- FIXED: Deleting or detaching attachments corrupted messages under certain circumstances (not working only in Thunderbird version 52.9.0)
In addition, the Thunderbird developers claim to have closed some of the security holes described here. These refer to Thunderbird version 52.9.0 if I haven't missed anything. The mail client should update via the Help menu and the'About Thunderbird' item.
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