This release is an emergency release to fix security vulnerabilities in _Tor
Browser_ and _Tor_.
You should upgrade as soon as possible.
## Included software
* Update _Tor Browser_ to [9.0.7](
https://blog.torproject.org/new-release-tor-browser-907), which prevents [JavaScript from sometimes being enabled in the _Safest_ security level of Tor Browser](
https://tails.boum.org/news/javascript_sometimes_enabled_in_safest/index.en.html).
* Update _Tor_ to [0.4.2.7](
https://blog.torproject.org/new-releases-03510-0419-0427), which fixes TROVE-2020-002, a major denial-of-service vulnerability that affects both Tor relays and clients. Using this vulnerability, an attacker could cause Tor to consume a huge amount of CPU, disrupting its operations for several seconds or minutes, and create patterns that could aid in traffic analysis.
* Update _Thunderbird_ to [68.6.0](
https://www.thunderbird.net/en-US/thunderbird/68.6.0/releasenotes/).
# Known issues
None specific to this release.
See the list of [long-standing
issues](
https://tails.boum.org/support/known_issues/index.en.html).
# Get Tails 4.4.1
## To upgrade your Tails USB stick and keep your persistent storage
* Automatic upgrades are available from 4.2, 4.2.2, 4.3, and 4.4 to 4.4.1.
* If you cannot do an automatic upgrade or if Tails fails to start after an automatic upgrade, please try to do a [manual upgrade](
https://tails.boum.org/doc/upgrade/index.en.html#manual).
## To install Tails on a new USB stick
Follow our installation instructions:
* [Install from Windows](
https://tails.boum.org/install/win/index.en.html)
* [Install from macOS](
https://tails.boum.org/install/mac/index.en.html)
* [Install from Linux](
https://tails.boum.org/install/linux/index.en.html)
All the data on this USB stick will be lost.
## To download only
If you don't need installation or upgrade instructions, you can download Tails
4.4.1 directly:
* [For USB sticks (USB image)](
https://tails.boum.org/install/download/index.en.html)
* [For DVDs and virtual machines (ISO image)](
https://tails.boum.org/install/download-iso/index.en.html)
# What's coming up?
Tails 4.5 is [scheduled](
https://tails.boum.org/contribute/calendar/) for
April 7.
Have a look at our [roadmap](
https://tails.boum.org/contribute/roadmap) to see
where we are heading to.
We need your help and there are many ways to [contribute to
Tails](
https://tails.boum.org/contribute/index.en.html)
([donating](
https://tails.boum.org/donate/?r=4.4.1) is only one of them). Come
[talk to us](
https://tails.boum.org/about/contact/index.en.html#tails-dev)!
URL:
https://tails.boum.org/news/version_4.4.1/index.en.html
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