Warning: You should stop using Tails Linux NOW!

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We here at BetaNews often sing the praises of Tails, as the Linux-based operating system allows you to surf the web more privately. This is particularly important for those living under oppressive governments, such as China and Russia, but it can be beneficial for all internet users -- even those in the good ol' USA.

Sadly, it seems we must warn against using Tails for now, as it has been discovered that there is a significant vulnerability in the operating system. More specifically, a vulnerability was found in the Firefox and Tor web browsers, which are core aspects of Tails 5.0. The vulnerability is so severe, that the Tails developers are asking users to suspend use of the Live distribution entirely until a Tails 5.1 ISO is released next week.

The Tails developers statement can be read in part below. The full announcement is available here.


Tor Browser in Tails 5.0 and earlier is unsafe to use for sensitive information.

We recommend that you stop using Tails until the release of 5.1 (May 31) if you use Tor Browser for sensitive information (passwords, private messages, personal information, etc.).

A security vulnerability was discovered in the JavaScript engine of Firefox and Tor Browser. See the Mozilla Foundation Security Advisory 2022-19

This vulnerability allows a malicious website to bypass some of the security built in Tor Browser and access information from other websites.

For example, after you visit a malicious website, an attacker controlling this website might access the password or other sensitive information that you send to other websites afterwards during the same Tails session.

Are you a Tails user? Will you listen to the developers and suspend use until a patched version of the operating system is released next week? Please tell me in the comments below.

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5 Responses to Warning: You should stop using Tails Linux NOW!

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