Security Alert (A20-12-06): Multiple Vulnerabilities in Firefox


 

Published on: 16 December 2020

  
  

Description:

Mozilla has published two security advisories (MFSA 2020-54 and MFSA 2020-55) to address multiple vulnerabilities in Firefox browser. A remote attacker could entice a user running a vulnerable browser to visit a web page with specially crafted content to exploit the vulnerabilities.

 

Affected Systems:

  • Firefox ESR prior to version 78.6
  • Firefox prior to version 84

 

Impact:

Successful exploitation of the vulnerabilities could lead to arbitrary code execution, information disclosure, security restriction bypass, spoofing or application crash on an affected system.

 

Recommendation:

Mozilla has released new versions of the product to address the issues and they can be downloaded at the following URLs:

  • Firefox 84 for Windows, Macintosh and Linux
    https://www.mozilla.org/en-US/firefox/all/

  • Firefox ESR 78.6 for Windows, Macintosh and Linux
    https://www.mozilla.org/en-US/firefox/organizations/all/

Users of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk.

 

More Information:

https://www.mozilla.org/en-US/security/advisories/mfsa2020-54/
https://www.mozilla.org/en-US/security/advisories/mfsa2020-55/
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16042
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26971 (to CVE-2020-26974)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26976 (to CVE-2020-26979)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35111 (to CVE-2020-35114)

 



Tag: Firefox , Mozilla
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