Security Alert (A22-01-08): Multiple Vulnerabilities in Firefox

Description:

Mozilla has published the advisories (MFSA2022-01 and MFSA2022-02) 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 Windows versions prior to version 91.5
• Firefox Windows versions prior to version 96

Impact:

Successful exploitation of the vulnerabilities could lead to arbitrary code execution, arbitrary command injection, elevation of privilege, information disclosure, security feature 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 96 for Windows
  https://www.mozilla.org/en-US/firefox/all/#product-desktop-release
• Firefox ESR 91.5 for Windows
  https://www.mozilla.org/en-US/firefox/all/#product-desktop-esr

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/mfsa2022-01/
• https://www.mozilla.org/en-US/security/advisories/mfsa2022-02/
• https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities_20220112
• https://www.cisa.gov/uscert/ncas/current-activity/2022/01/11/mozilla-releases-security-updates-firefox-firefox-esr-and
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4140
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22736 (to CVE-2022-22752)