This release is an emergency release to fix a critical security vulnerability
in Firefox.
It also fixes [other security
vulnerabilities](
https://tails.boum.org/security/Numerous_security_holes_in_3.12/index.en.html).
You should upgrade as soon as possible.
# Changes
* Update _Tor Browser_ to 8.0.6.
This fixes a [critical vulnerability](
https://www.mozilla.org/en-
US/security/advisories/mfsa2019-05/) in the _Skia_ library used by _Firefox_
and _Chrome_ to render graphics.
If you are curious about the maths behind this vulnerability, you can read
[The Curious Case of Convexity
Confusion](
https://googleprojectzero.blogspot.com/2019/02/the-curious-case-of-
convexity-confusion.html) by Google Project Zero.
# Known issues
See the list of [long-standing
issues](
https://tails.boum.org/support/known_issues/index.en.html).
### Tails fails to start a second time on some computers
([#16389](
https://redmine.tails.boum.org/code/issues/16389))
On some computers, after installing Tails to a USB stick, Tails starts a first
time but fails to start a second time. In some cases, only BIOS (Legacy) was
affected and the USB stick was not listed in the Boot Menu.
We are still investigating the issue, so if it happens to you, please report
your findings by email to [tails-testers@???](mailto:tails-
testers@???). Mention the model of the computer and the USB stick. This
mailing list is [archived publicly](
https://lists.autistici.org/list/tails-
testers.html).
To fix this issue:
1. Reinstall your USB stick using the same installation method.
2. Start Tails for the first time and [set up an administration password](
https://tails.boum.org/doc/first_steps/startup_options/administration_password/index.en.html).
3. Choose Applications ▸ System Tools ▸ Root Terminal to open a Root Terminal.
4. Execute the following command:
sgdisk --recompute-chs /dev/bilibop
You can also test an experimental image:
1. [Download the _.img_ file from our development server](
https://nightly.tails.boum.org/build_Tails_ISO_bugfix-16389-recompute-chs/lastSuccessful/archive/build-artifacts/).
2. Install it using the same installation methods.
We don't provide any OpenPGP signature or other verification technique for
this test image. Please only use it for testing.
# Get Tails 3.12.1
* To install, follow our [installation instructions](
https://tails.boum.org/install/index.en.html).
* To upgrade, automatic upgrades are available from 3.10, 3.10.1, 3.11, 3.12, and 3.12~rc1 to 3.12.1.
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/upgrade/index.en.html).
* Download Tails 3.12.1:
* [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 3.13 is [scheduled](
https://tails.boum.org/contribute/calendar/) for
March 19.
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=3.12.1) 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_3.12.1/index.en.html
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