Mozilla Releases Security Updates (26th January 2021)

Ref# ADV2021_12 | Date: Jan 27th 2021

Mozilla has published security advisories on 26th January 2021 highlighting vulnerabilities in the following products. It is recommended that you take the necessary precautions by ensuring your products are always updated.  

  • Firefox ESR 78.7 

  • Firefox 85 

  • Mozilla Thunderbird 78.7 

For more information on these Mozilla updates, you can follow the URL: 

The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.   

PDF Download: Mozilla Releases Security Updates.pdf


Mozilla security Advisories (26th, January 2021). Retrieved from Mozilla Security  


Mozilla security Advisory (26th, January 2021). Retrieved from Canadian Centre for   Cyber Security (Cyber Centre)