Mozilla Addresses Backlash: Assures Users Their Data Won't Fuel AI Development

Mozilla Fixes Critical Firefox Vulnerability Exploited in the Wild, Echoing Chrome’s Recent Security Threat

Mozilla has swiftly addressed a critical security vulnerability in its Firefox for Windows browser, which was actively being exploited by cybercriminals. This update is crucial for users seeking to maintain their online safety.

Mozilla Releases Critical Update for Firefox

In a recent announcement, Mozilla disclosed that it has launched Firefox version 136.0.4 to rectify a newly identified bug, tracked as CVE-2025-2857. This vulnerability bears a striking resemblance to a bug that Google recently patched in its Chrome browser.

Understanding the Security Vulnerability

The identified bug allows malicious actors to escape Firefox’s sandbox environment, which is designed to restrict the browser’s access to other applications and sensitive data on a user’s system. This could potentially lead to unauthorized access and data breaches.

Impact on Other Browsers

It’s important to note that this vulnerability is not exclusive to Firefox for Windows. Other browsers that share the same codebase, such as the Tor Browser, are also affected. As a result, the Tor Browser has been updated to version 14.0.7 to mitigate this issue.

Expert Insights on the Vulnerability

Kaspersky researcher Boris Larin, who initially discovered the Chrome zero-day vulnerability, confirmed that the root cause of the Chrome bug also impacts Firefox. This highlights the interconnected nature of browser security and the importance of timely updates.

Recent Exploitation Trends

According to Kaspersky, the exploits associated with this vulnerability have been linked to targeted attacks on various groups, including:

  • Journalists
  • Employees of educational institutions
  • Government organizations in Russia

For more information on browser security updates, you can visit Mozilla’s security page or read more about zero-day exploits here.

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Conclusion: Stay Updated and Secure

With the rise of cyber threats, it’s vital for users to keep their browsers updated. Ensure that you are using the latest version of Firefox and other browsers to protect your data and privacy online. Regular updates are key to maintaining robust security against evolving threats.

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