This release is an emergency release to fix a security vulnerability in
_sudo_.
You should upgrade as soon as possible.
# Changes and updates
## Included software
* Update _sudo_ to 1.8.27-1+deb10u2, which fixes CVE-2021-3156, a major vulnerability that allows normal users to gain root privileges.
# 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 4.15.1
## To upgrade your Tails USB stick and keep your persistent storage
* Automatic upgrades are available from Tails 4.2 or later to 4.15.1.
* 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)
The Persistent Storage on the USB stick will be lost if you install instead of
upgrading.
## To download only
If you don't need installation or upgrade instructions, you can download Tails
4.15.1 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 4.16 is [scheduled](
https://tails.boum.org/contribute/calendar/) for
February 23.
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=4.15.1) 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_4.15.1/index.en.html
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