Tails 7.8 Released: Critical Kernel Vulnerabilities Patched and Thunderbird Updated

The Tails operating system has released version 7.8, addressing multiple kernel vulnerabilities including CVE-2026-46300, which has a CVSS score of 7.8, indicating a high risk. The update also removes the Thunderbird email client from the base system, offering it only as an add-on to ensure users can maintain an up-to-date version. This change aims to mitigate security risks associated with outdated software versions included in previous Tails releases. The new version includes automatic updates for Thunderbird, enhancing user security. Users are advised to activate the 'Additional Software' and 'Thunderbird Email Client' functions in persistent storage to utilize this feature. The update also includes a patched sandbox escape vulnerability related to Flatpaks. The Tor Browser is updated to version 15.0.14, which addresses several security issues. Tails 7.8 is available for USB and DVD installations, allowing users to navigate the web anonymously.

Key Points: • Tails 7.8 patches critical kernel vulnerabilities, including CVE-2026-46300. • Thunderbird is now an optional add-on to improve security and update frequency. • Users must enable specific functions in persistent storage to access the new Thunderbird version.