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[USN-8367-1] tar-fs vulnerabilities

Posted on 02 June 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8367-1
June 02, 2026

node-tar-fs vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in tar-fs.

Software Description:
- node-tar-fs: File system bindings for tar-stream

Details:

It was discovered that tar-fs did not properly limit paths when
extracting crafted tar files. An attacker could possibly use this
issue to write or overwrite files outside the intended extraction
directory. This issue only affected Ubuntu 22.04 LTS and Ubuntu
24.04 LTS. (CVE-2024-12905)

It was discovered that tar-fs did not properly validate extraction
paths for certain crafted tar archives. An attacker could possibly
use this issue to write files outside the intended extraction
directory. This issue only affected Ubuntu 22.04 LTS and Ubuntu
24.04 LTS. (CVE-2025-48387)

It was discovered that tar-fs had a symlink validation bypass when
extracting crafted tar files. An attacker could possibly use this
issue to write files outside the intended extraction directory.
(CVE-2025-59343)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.10
node-tar-fs 3.0.9+~cs2.0.4-1+deb13u1build0.25.10.1

Ubuntu 24.04 LTS
node-tar-fs 2.1.1-6ubuntu0.24.04.1~esm1
Available with Ubuntu Pro

Ubuntu 22.04 LTS
node-tar-fs 2.1.1-6ubuntu0.22.04.1~esm1
Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-8367-1
CVE-2024-12905, CVE-2025-48387, CVE-2025-59343

Package Information:
https://launchpad.net/ubuntu/+source/node-tar-fs/3.0.9+~cs2.0.4-1+deb13u1build0.25.10.1

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