Security Alert (A25-03-25): Vulnerability in Firefox


 

Published on: 28 March 2025

Description:

Mozilla has published an advisory (MFSA2025-19) 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 Window versions prior to version 136.0.4
  • Firefox ESR Windows versions prior to version 115.21.1, 128.8.1

 

Impact:

Successful exploitation of the vulnerability could lead to security restriction bypass 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 136.0.4 (Windows)
https://www.mozilla.org/en-US/firefox/all/#product-desktop-release
Firefox ESR 115.21.1, 128.8.1 (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/mfsa2025-19/
  • https://www.hkcert.org/security-bulletin/mozilla-firefox-security-restriction-bypass-vulnerability_20250328
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-2857


Tag: Firefox , Mozilla
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