This release is an emergency release to fix critical security vulnerabilities in the Linux kernel and the expat XML library. Changes and updates Update the Linux kernel to 6.12.100, which fixes CVE-2026-64560, a vulnerability that could allow Tor Browser in Tails to gain administrator privileges. For example, if a malicious website that you visit is able to exploit CVE-2026-64560, they might take…
Arti is our ongoing project to create a next-generation Tor implementation in Rust. We're happy to announce the latest release, Arti 2.5.1. This release consists mostly of internal improvements and bug fixes, as well as our ongoing development towards using Arti as a relay and as a directory authority. For onion service hosts, onion services can now be configured to connect to unix socket addresse…
Bypassing censorship comes down to two challenges: disguising internet traffic from censors while making an open network easy to reach. Snowflake is particularly effective at tackling both of these challenges. It disguises a user's traffic to look like a video call and routes it through volunteer-run proxies using short-lived connections, making the traffic harder to detect and block. That's why i…
Tor Browser 16.0a9 is now available from the Tor Browser download page and also from our distribution directory. This version includes important security updates to Firefox. ⚠️ Reminder: The Tor Browser Alpha release-channel is for testing only. As such, Tor Browser Alpha is not intended for general use because it is more likely to include bugs affecting usability, security, and privacy. Moreover,…
New features New shutdown procedure Tails now uses the standard shutdown procedure from GNOME. The standard shutdown procedure is a bit slower, but better prevents data loss. For example, the Power Off confirmation dialog informs you if an application needs to be closed or an open document needs to be saved before shutting down. Even without confirming or saving the open documents, Tails will shut…
Tor Browser 15.0.19 is now available from the Tor Browser download page and also from our distribution directory. This version includes important security updates to Firefox. Send us your feedback If you find a bug or have a suggestion for how we could improve this release, please let us know. Full changelog The full changelog since Tor Browser 15.0.18 is: All Platforms Updated NoScript to 13.6.31…
Tor Browser 15.0.18 is now available from the Tor Browser download page and also from our distribution directory. This version includes important security updates to Firefox. Send us your feedback If you find a bug or have a suggestion for how we could improve this release, please let us know. Full changelog The full changelog since Tor Browser 15.0.17 is: All Platforms Updated NoScript to 13.6.30…
Tor Browser 16.0a8 is now available from the Tor Browser download page and also from our distribution directory. This version includes important security updates to Firefox. ⚠️ Reminder: The Tor Browser Alpha release-channel is for testing only. As such, Tor Browser Alpha is not intended for general use because it is more likely to include bugs affecting usability, security, and privacy. Moreover,…
Changes and updates Update Tor Browser to 15.0.17. Update the Tor client to 0.4.9.11. Update the Linux kernel to 6.12.94, which fixes CVE-2026-43503 (DirtyClone) and CVE-2026-46331 (PACKET_EDIT_MEME), vulnerabilities that could allow an application in Tails to gain administration privileges. For example, if an attacker was able to exploit other unknown security vulnerabilities in an application in…
Arti is our ongoing project to create a next-generation Tor implementation in Rust. We're happy to announce the latest release, Arti 2.5.0. This release marks Counter Galois Onion as a stable feature and includes it in full feature builds. Likewise, Congestion Control is now enabled in default builds of Arti, increasing the overall speed without any further configuration. Unfortunately, this relea…
Tor Browser 15.0.17 is now available from the Tor Browser download page and also from our distribution directory. This version includes important security updates to Tor. Send us your feedback If you find a bug or have a suggestion for how we could improve this release, please let us know. Full changelog The full changelog since Tor Browser 15.0.16 is: All Platforms Updated Tor to 0.4.9.11 Updated…
Hello Tor Community! As you know, different teams inside the Tor Project are working on the Arti Relay project where we hope to be able to begin the upgrade of the network towards our Rust implementation of Tor in the near future. To support this work, we would like to announce that we intend to actively stop compatibility for 0.4.8 and earlier C Tor versions soon. This means that these versions w…
Changes and updates Update Tor Browser to 15.0.16. Update some firmware packages. This improves support for newer hardware: graphics, Wi-Fi, and so on. Fixed problems Stop notifying about outdated Secure Boot certificates in rare cases where the certificates are already up to date. (#21643) For more details, read our changelog. Get Tails 7.9 To upgrade your Tails USB stick and keep your Persistent…
Tor Browser 15.0.16 is now available from the Tor Browser download page and also from our distribution directory. This version includes important security updates to Firefox. Send us your feedback If you find a bug or have a suggestion for how we could improve this release, please let us know. Full changelog The full changelog since Tor Browser 15.0.16 is: All Platforms Updated NoScript to 13.6.24…
++ This guest post is part of a spotlight series on the organizations defending the free Internet.++ Due to heavy information controls, people in Iran face significant barriers to accessing the Internet. Authorities have actively blocked numerous websites and apps, including conventional circumvention and digital security tools such as VPNs, social media platforms, and the app stores themselves. T…
This release is an emergency release to fix a serious security vulnerability in the Linux kernel, as well as security vulnerabilities in the Tor client. Changes and updates Update the Tor client to 0.4.9.9, which fixes several security vulnerabilities. Update the Linux kernel to 6.12.90-2, which fixes CVE-2026-43503, a vulnerability that could allow an application in Tails to gain administration p…
++ This guest post is part of a spotlight series on the organizations defending the free Internet.++ Fear of digital surveillance breeds silence. In the words of a youth activist in Zambia who took part in a research study tracking digital security threats: We are all fearful. It makes you constantly paranoid. It also undermines our work. It discourages us. It's very disheartening. It's difficult…
Tor Browser 16.0a7 is now available from the Tor Browser download page and also from our distribution directory. This version includes important security updates to Firefox. ⚠️ Reminder: The Tor Browser Alpha release-channel is for testing only. As such, Tor Browser Alpha is not intended for general use because it is more likely to include bugs affecting usability, security, and privacy. Moreover,…