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Thunderbird 52.9 closes several vulnerabilities, some of which are classified as critical
Thunderbird 52.9 is available. Of the twelve bugfixes listed, three are listed as "critical" and five as "high". You can see the details of the safety holes closed here.
Mozilla points out that these errors can not be exploited by Thunderbird product emails because scripts are disabled when reading emails. Nevertheless, they pose potential risks.
Mozilla made a change: Thunderbird now requests to compress the IMAP folders, even if the account is online. IMAP stands for Internet Message Access Protocol. IMAP allows email programs (such as Thunderbird) to access messages stored on a mail server.
Typically, security updates are automatically enforced in Thunderbird. If you want to start the update manually, you can start the search for updates in Help under via Thunderbird and then install the update.
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