Security Alert (A25-05-15): Multiple Vulnerabilities in Firefox


 

Published on: 19 May 2025

Description:

Mozilla has published the advisories (MFSA2025-36, MFSA2025-37 and MFSA2025-38) 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 vulnerability.

 

Affected Systems:

  • Firefox Windows versions prior to version 138.0.4
  • Firefox ESR Windows versions prior to version 115.23.1, 128.10.1

 

Impact:

Successful exploitation of the vulnerabilities could lead to remote code execution, denial of service or information disclosure 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 138.0.4 (Windows)
https://www.mozilla.org/en-US/firefox/all/#product-desktop-release
Firefox ESR 115.23.1, 128.10.1 (Windows)
https://www.mozilla.org/en-US/firefox/all/#product-desktop-esr

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

 

More Information:

  • https://www.mozilla.org/en-US/security/advisories/mfsa2025-36/
  • https://www.mozilla.org/en-US/security/advisories/mfsa2025-37/
  • https://www.mozilla.org/en-US/security/advisories/mfsa2025-38/
  • https://www.hkcert.org/security-bulletin/mozilla-firefox-multiple-vulnerabilities_20250519
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-4918 (to CVE-2025-4919)


Tag: Firefox , Mozilla
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