Security Alert (A23-08-19): Multiple Vulnerabilities in Firefox

Description:

Mozilla has published the advisories (MFSA2023-34, MFSA2023-35 and MFSA2023-36) 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 Windows versions prior to version 117
• Firefox ESR Windows versions prior to version 102.15, 115.2

Impact:

Successful exploitation of the vulnerabilities could lead to arbitrary code execution, denial of service, information disclosure, security restriction bypass or spoofing 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 117 (Windows)
  https://www.mozilla.org/en-US/firefox/all/#product-desktop-release
• Firefox ESR 102.15, 115.2 (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/mfsa2023-34/
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-35/
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-36/
• https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities_20230830
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4051
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4053
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4573 (to CVE-2023-4585)