ADV2021_03 Mozilla Releases Security Updates for Thunderbird (12th January, 2021)

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.

  • Thunderbird 78.6.1

For more information on this Mozilla update you can follow this URL:

The Guyana National CIRT recommends that users and administrators review this update and apply it where necessary.


  • Mozilla releases security updates (12th January, 2021). Retrieved form US-Cert


  • Mozilla releases security updates (12th January, 2021). Retrieved from Mozilla