Security Alert (A21-06-11): Vulnerability in Firefox

Description:

Mozilla has published the advisory (MFSA 2021-27) 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 89.0.1

Impact:

Successful exploitation of the vulnerability could lead to information disclosure on an affected system.

Recommendation:

Mozilla has released new version of the product to address the issue and it can be downloaded at the following URL:

• Firefox 89.0.1 for Windows
  https://www.mozilla.org/en-US/firefox/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/mfsa2021-27/
• https://www.hkcert.org/security-bulletin/mozilla-firefox-information-disclosure-vulnerability_20210617
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29968