Mozilla has published a security advisory addressing a vulnerability in Thunderbird 78.5.1 on the 1st December, 2020 . An attacker could exploit some of these vulnerabilities, so it is recommended that you take the necessary precautions by ensuring your products are always updated.
For more information on Mozilla updates, you can follow this URL: https://www.mozilla.org/en-US/security/advisories/mfsa2020-53/
The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.
- Mozilla releases security updates for Thunderbird (2nd December, 2020). Retrieved form US-Cert
- Mozilla Foundation Security Advisories (1st December, 20200). Retrieved from Mozilla