Security Alert (A26-03-11): Multiple Vulnerabilities in Firefox

Description:

Mozilla has published the advisory (MFSA2026-19) to address multiple vulnerabilities in Firefox. A remote attacker could entice a user to open a web page with specially crafted content on a vulnerable browser to exploit the vulnerabilities.

Affected Systems:

• Firefox Windows versions prior to version 148.0.2

Impact:

Successful exploitation of the vulnerabilities could lead to remote code execution, denial of service or security restriction bypass on an affected system.

Recommendation:

Mozilla has released a new version of the product to address the issues and it can be downloaded at the following URLs:
Firefox 148.0.2 (Windows)
https://www.mozilla.org/en-US/firefox/all/#product-desktop-release

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/mfsa2026-19/
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-3845 (to CVE-2026-3847)