Author Topic: Tor Browser 8.5.3 Fixes a Sandbox Escape Vulnerability in Firefox  (Read 45 times)

Offline Hardhead

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By Lawrence Abrams

    June 22, 2019 10:45 AM

Tor Browser 8.5.3 has been released to fix a Sandbox Escape vulnerability in Firefox that was recently used as part of a targeted attack against cryptocurrency companies. As this vulnerability is actively being used, it is strongly advised that all Tor users upgrade to the latest version.

When starting Tor Browser, it should alert you if a new version is available. If you would like to perform a manual check, you can do so by going to Tor Browser menu -> Help -> About Tor Browser

Unfortunately, like the previous release, the Android version of Tor Browser 8.5.3 will not be available until the weekend as part of the Tor team who handles the Android signing token is away at an event.

Tor 8.5.3 can be downloaded from the Tor Browser download page and from the distribution directory.

The full changelog for Tor Browser 8.5.3 is:

Tor Browser 8.5.3 -- June 21 2019
 * All platforms
   * Pick up fix for Mozilla's bug 1560192
https://www.bleepingcomputer.com/news/software/tor-browser-853-fixes-a-sandbox-escape-vulnerability-in-firefox/