{"id":"CVE-2025-48387","aliases":["GHSA-8cj5-5rvv-wf4v"],"url":"https://o3.security/vulnerability/CVE-2025-48387","summary":"tar-fs has issue where extract can write outside the specified dir with a specific tarball","details":"### Impact\n v3.0.8, v2.1.2, v1.16.4 and below\n\n### Patches\nHas been patched in 3.0.9, 2.1.3, and 1.16.5\n\n### Workarounds\nYou can use the ignore option to ignore non files/directories.\n\n```js\n  ignore (_, header) {\n    // pass files & directories, ignore e.g. symlinks\n    return header.type !== 'file' && header.type !== 'directory'\n  }\n```\n\n### Credit\nThank you Caleb Brown from Google Open Source Security Team for reporting this in detail.","published":"2025-06-02T19:20:18.220Z","modified":"2026-08-12T03:51:08.791516541Z","cvss":null,"epss":{"score":0.00554,"percentile":0.4376,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"tar-fs","fixedVersion":"1.16.5"},{"ecosystem":"npm","name":"tar-fs","fixedVersion":"2.1.3"},{"ecosystem":"npm","name":"tar-fs","fixedVersion":"3.0.9"}],"fix":{"url":"https://github.com/mafintosh/tar-fs/commit/647447b572bc135c41035e82ca7b894f02b17f0f","label":"mafintosh/tar-fs@647447b"},"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/06/msg00012.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/48xxx/CVE-2025-48387.json"},{"type":"ADVISORY","url":"https://github.com/google/security-research/security/advisories/GHSA-xrg4-qp5w-2c3w"},{"type":"ADVISORY","url":"https://github.com/mafintosh/tar-fs/security/advisories/GHSA-8cj5-5rvv-wf4v"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-48387"},{"type":"FIX","url":"https://github.com/mafintosh/tar-fs/commit/647447b572bc135c41035e82ca7b894f02b17f0f"},{"type":"PACKAGE","url":"https://github.com/mafintosh/tar-fs"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:08.791516541Z"}}