Firefox encounters critical security vulnerability again

Buzz

Ngày cập nhật gần nhất: 15/4/2026

Mozilla has released security updates for Firefox 67.0.3 and Firefox ESR 60.7.1 to fix a serious security flaw, allowing attackers to exploit vulnerable systems. Firefox users are advised to update to the latest patches as soon as possible.

The U.S. infrastructure security and cybersecurity agency also issued a warning, urging users and system administrators to review Mozilla's advisories and update their web browsers.

Samuel Groß, a security researcher at Google Project Zero, and the Coinbase Security research team discovered and reported a security vulnerability to Mozilla. According to Mozilla, the issue arises from manipulation of JavaScript objects due to problems with Array.pop.

In essence, attackers can inject malware into the victim's system through malicious websites they visit when running unpatched web browser versions.

If using an outdated, unpatched version of Firefox, users are advised to update to the latest version as soon as possible.

To download and install the latest Firefox update, visit the link below:

- Download Firefox 67.0.3 32-bit
- Download Firefox 67.0.3 64-bit
- Download Firefox for Mac
- Download Firefox for Linux

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Frequently Asked Questions

What serious security flaw has been identified in Firefox versions?

Mozilla has acknowledged a critical security vulnerability in Firefox 67.0.3 and Firefox ESR 60.7.1. This flaw can be exploited by attackers to manipulate JavaScript objects, potentially leading to malware injection on unpatched systems.

How can Firefox users protect themselves from this security threat?

To safeguard against the identified security flaw, Firefox users are strongly urged to update their browsers to the latest versions immediately. This action will install crucial security patches that mitigate the vulnerability.

Who discovered the security vulnerability affecting Firefox?

The security vulnerability in Firefox was discovered by Samuel Groß from Google Project Zero and the Coinbase Security research team. They reported their findings to Mozilla, prompting the necessary security updates.

Where can I download the latest version of Firefox to ensure my security?

To download the latest version of Firefox 67.0.3, visit Mozilla's official website. Options are available for different operating systems, including 32-bit, 64-bit, Mac, and Linux versions.

Is it necessary for all Firefox users to update their browsers immediately?

Yes, it is essential for all Firefox users to update their browsers immediately. The recent security updates address a serious vulnerability that could allow attackers to exploit unpatched systems.

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