Tor Browser 8.5.3 released with the fixes for critical Sandbox Escape zero-day vulnerability in Firefox, and it results in executing arbitrary code on the user’s computer.
Mozilla recently released Firefox 67.0.3 with a security update for a type of confusion zero-day vulnerability.
Tor Browser 8.5.2 released soon after the Mozilla a patch for first zero-day, a type confusion vulnerability which can be triggered when attackers are manipulating JavaScript objects in Firefox.
After 2 days, Mozilla released another version of Firefox 67.0.4 with the fixes for the second zero-day vulnerability, a sandbox escape vulnerability that allows an attacker to execute the malicious code remotely and gain complete control of the system.
Since Firefox 67.0.4 released, Tor prepared and applied the necessary patch for the Sandbox Escape flaw with its new Tor Browser 8.5.3 version.
Currently, Tor released an update only for Desktop version and promised to release the update for Android version within this weekend since their team is currently traveling to an event, so they are unable to access our Android signing token.
According to Tor, We expect to be able to publish the Android release this weekend. In the meantime, Android users should use the safer or safest security levels. The security level on Android can be changed by going in the menu on the right of the URL bar and selecting Security Settings.
You can Download Tor Browser 8.5.3 from Here Tor Browser and distribution directory for Windows, Mac, and Linux.
You can check manually whether your browser is up to date by navigating Tor Browser menu -> Help -> About Tor Browser.
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