{"id":"UBUNTU-CVE-2025-59343","details":"tar-fs provides filesystem bindings for tar-stream. Versions prior to 3.1.1, 2.1.3, and 1.16.5 are vulnerable to symlink validation bypass if the destination directory is predictable with a specific tarball. This issue has been patched in version 3.1.1, 2.1.4, and 1.16.6. A workaround involves using the ignore option on non files/directories.","modified":"2026-06-02T18:15:31.784243565Z","published":"2025-09-24T18:15:00Z","related":["USN-8367-1"],"upstream":["CVE-2025-59343"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-59343"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-59343"},{"type":"REPORT","url":"https://github.com/mafintosh/tar-fs/security/advisories/GHSA-vj76-c3g6-qr5v"},{"type":"REPORT","url":"https://github.com/mafintosh/tar-fs/commit/0bd54cdf06da2b7b5b95cd4b062c9f4e0a8c4e09"},{"type":"REPORT","url":"https://github.com/mafintosh/tar-fs/commit/0bd54cdf06da2b7b5b95cd4b062c9f4e0a8c4e09"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8367-1"}],"affected":[{"package":{"name":"node-tar-fs","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/node-tar-fs?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-6ubuntu0.22.04.1~esm1"}]}],"versions":["2.1.1-2","2.1.1-4","2.1.1-6"],"ecosystem_specific":{"binaries":[{"binary_version":"2.1.1-6ubuntu0.22.04.1~esm1","binary_name":"node-tar-fs"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-59343.json"}},{"package":{"name":"node-tar-fs","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/node-tar-fs?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-6ubuntu0.24.04.1~esm1"}]}],"versions":["2.1.1-6"],"ecosystem_specific":{"binaries":[{"binary_name":"node-tar-fs","binary_version":"2.1.1-6ubuntu0.24.04.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-59343.json"}},{"package":{"name":"node-tar-fs","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/node-tar-fs?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.9+~cs2.0.4-1+deb13u1build0.25.10.1"}]}],"versions":["2.1.1-6","3.0.8+~cs2.0.4-1","3.0.9+~cs2.0.4-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.0.9+~cs2.0.4-1+deb13u1build0.25.10.1","binary_name":"node-tar-fs"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-59343.json"}}],"schema_version":"1.7.5","severity":[{"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"},{"type":"Ubuntu","score":"medium"}]}