CVE-2025-48387
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 3.0.9+~cs2.0.4-1 |
| sid | Fixed | 3.0.9+~cs2.0.4-1 |
| forky | Fixed | 3.0.9+~cs2.0.4-1 |
| bullseye | Fixed | 2.1.3-0+deb11u1 |
| bookworm | Fixed | 2.1.3-0+deb12u1 |
References
- https://github.com/google/security-research/security/advisories/GHSA-xrg4-qp5w-2c3w
- https://github.com/mafintosh/tar-fs/security/advisories/GHSA-8cj5-5rvv-wf4v
- https://nvd.nist.gov/vuln/detail/CVE-2025-48387
- https://github.com/mafintosh/tar-fs/commit/647447b572bc135c41035e82ca7b894f02b17f0f
- https://github.com/mafintosh/tar-fs
- https://lists.debian.org/debian-lts-announce/2025/06/msg00012.html
- https://security-tracker.debian.org/tracker/CVE-2025-48387
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.