Security Alert (A21-08-10): Vulnerability in Firefox

Description:

Mozilla has published the advisory (MFSA2021-37) to address a vulnerability 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 vulnerability.

Affected Systems:

• Firefox Windows versions prior to version 91.0.1

Impact:

Successful exploitation of the vulnerability could lead to cross-site scripting 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 91.0.1 for Windows
  https://www.mozilla.org/en-US/firefox/all/#product-desktop-release

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/mfsa2021-37/
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29991