CVE-2025-48387 — tar-fs has issue where extract can write outside the specified dir with a specific tarball

Affected: mafintosh tar-fs

tar-fs provides filesystem bindings for tar-stream. Versions prior to 3.0.9, 2.1.3, and 1.16.5 have an issue where an extract can write outside the specified dir with a specific tarball. This has been patched in versions 3.0.9, 2.1.3, and 1.16.5. As a workaround, use the ignore option to ignore non files/directories.

USN-8367-1 — node-tar-fs vulnerabilities

Affected: Ubuntu:Pro:22.04:LTS: node-tar-fs, Ubuntu:Pro:24.04:LTS: node-tar-fs, Ubuntu:25.10: node-tar-fs

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)

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CVE-2025-48387 — tar-fs has issue where extract can write outside the specified dir with a specific tarball

USN-8367-1 — node-tar-fs vulnerabilities