Known Security Vulnerabilities In 7.10

tails.net • August 5, 2026

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Tails 7.10.1 fixes known security vulnerabilities in 7.10. You should upgrade as soon as possible.

If you are interested in learning more the security vulnerabilities fixed in this release, you can refer to:

The release notes of Tor Browser and other applications linked from the release notes of Tails 7.10.1 .

The list of recent Debian security advisories published since Tails 7.10.

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical Tails Linux Vulnerability Exposes Users to Deanonymization Risks Tails Linux has released an emergency patch for a critical kernel vulnerability (CVE-2026-64560) that could allow malicious websites to deanonymize users. The flaw, present since Linux kernel version 5.7, enables attackers to gain administrator privileges through the Tor Browser. While the likelihood of exploitation is low, it poses significant risks to high-value targets like activists and journalists. Users are urged to upgrade to version 7.10.1 immediately to mitigate these risks. The update also addresses vulnerabilities in the expat XML library that could allow similar exploits through other applications. No known attacks have been reported in the wild, but the potential for exploitation by sophisticated attackers remains a concern. Tails can be upgraded automatically or manually, but users must be cautious to preserve any persistent storage on USB drives. 2 sources 74

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