Mozilla has published a security advisory, highlighting vulnerabilities in Thunderbird on 12th January, 2021. It is recommended that you take the necessary precautions by ensuring your products are always updated.
For more information on this Mozilla update you can follow this URL:
https://www.mozilla.org/en-US/security/advisories/mfsa2021-02/
The Guyana National CIRT recommends that users and administrators review this update and apply it where necessary.
PDF Download:Mozilla Releases Security Updates for Thunderbird.pdf
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