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

Type: advisorySources: OSV

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.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2025-48387
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 15:41 UTC · Revision 1

Source evidence

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

core-osv · Original source

Published 2 Jun 2025, 19:20 UTC

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.

osv:CVE-2025-48387
Complete source record
{
  "id": "135b8fbaf1d493a518526feedf26baa8121c7ea8d0ffed067c1bd4f71a829124",
  "url": "https://osv.dev/vulnerability/CVE-2025-48387",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "tar-fs has issue where extract can write outside the specified dir with a specific tarball",
    "summary": "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.",
    "evidence": "osv:CVE-2025-48387",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-48387",
      "aliases": [
        "CVE-2025-48387",
        "GHSA-8cj5-5rvv-wf4v"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mafintosh/tar-fs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3c6eddb6008d14f4ca83a439dd432263d29ecb0f"
                },
                {
                  "introduced": "0f54a78bcc8735c4257177fd004c2f9e55c588bb"
                },
                {
                  "fixed": "4b7e8688a54268b7c3268848504167635050aa10"
                },
                {
                  "introduced": "6d66143dc5e40480dd6135a4453f6da26a5602e0"
                },
                {
                  "fixed": "2ceedf4cf807e89a071ebd585291aa785c980829"
                },
                {
                  "fixed": "647447b572bc135c41035e82ca7b894f02b17f0f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.16.5"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "2.0.0"
                      },
                      {
                        "fixed": "2.1.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.0.9"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "647447b572bc135c41035e82ca7b894f02b17f0f"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.16.4",
            "v2.1.2",
            "v3.0.8",
            "v3.0.7",
            "v1.16.3",
            "v2.1.1",
            "v3.0.6",
            "v3.0.5",
            "v3.0.4",
            "v3.0.3",
            "v3.0.2",
            "v3.0.1",
            "v3.0.0",
            "v2.1.0",
            "v2.0.1",
            "v2.0.0",
            "v1.16.2",
            "v1.16.1",
            "v1.16.0",
            "v1.15.3",
            "v1.15.2",
            "v1.15.1",
            "v1.15.0",
            "v1.14.0",
            "v1.13.2",
            "v1.13.1",
            "v1.13.0",
            "v1.12.0",
            "v1.11.1",
            "v1.11.0",
            "v1.10.0",
            "v1.9.0",
            "v1.8.1",
            "v1.8.0",
            "v1.7.0",
            "v1.6.0",
            "v1.5.1",
            "v1.5.0",
            "v1.4.2",
            "v1.4.1",
            "v1.4.0",
            "v1.3.0",
            "v1.2.0",
            "v1.1.0",
            "v1.0.0",
            "v0.5.2",
            "v0.5.1",
            "v0.5.0",
            "v0.4.1",
            "v0.4.0",
            "v0.3.3",
            "v0.3.2",
            "v0.3.1",
            "v0.3.0",
            "v0.2.2",
            "v0.2.1",
            "v0.2.0",
            "v0.1.8",
            "v0.1.7",
            "v0.1.5",
            "v0.1.4",
            "v0.1.3",
            "v0.1.2",
            "v0.1.1",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-48387.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.012117024Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2025/06/msg00012.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/48xxx/CVE-2025-48387.json",
        "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"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/48xxx/CVE-2025-48387.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-48387",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504221,
  "published_at": "2025-06-02T19:20:18.22+00:00"
}