{"id":"CVE-2026-35362","aliases":["DEBIAN-CVE-2026-35362","EUVD-2026-25006","GHSA-ggc5-46rg-mr4v","GHSA-w6xc-g9qj-vp32","UBUNTU-CVE-2026-35362"],"status":"published","title":"uutils coreutils Missing TOCTOU Protection on Non-Linux Unix Platforms in Safe Traversal Module","description":"The safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use (TOCTOU) symlink races using file-descriptor-relative syscalls, is incorrectly limited to Linux targets. On other Unix-like systems such as macOS and FreeBSD, the utility fails to utilize these protections, leaving directory traversal operations vulnerable to symlink race conditions.","severity":{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0018,"percentile":0.07628,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-367"],"published":"2026-04-22T16:08:33Z","modified":"2026-10-28T02:30:33Z","fixes":[{"ecosystem":"crates.io","package":"uucore","fixed_in":["0.6.0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:14","package":"rust-coreutils","fixed_in":["0.6.0-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"uucore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"rust-coreutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.17-2","0.0.17-3","0.0.17-4","0.0.17-5","0.0.17-6","0.0.19-1","0.0.19-2","0.0.19-3","0.0.20-1","0.0.21-1","0.0.22-1","0.0.23-1","0.0.23-2","0.0.23-3","0.0.24-1","0.0.24-2","0.0.26-1","0.0.26-2","0.0.26-3","0.0.26-4","0.0.26-5","0.0.27-1","0.0.27-2","0.0.27-3","0.0.30-1","0.0.30-2","0.0.30-3","0.0.30-3~exp1","0.0.30-4","0.10.0-1","0.11.0-1","0.11.0-2","0.12.0-1","0.6.0-1","0.7.0-1","0.8.0-1","0.8.0-2","0.8.0-3","0.8.0-4","0.8.0-5","0.8.0-6","0.9.0-1","0.9.0-2","0.9.0-3"]},{"source":"osv","ecosystem":"Debian:13","package":"rust-coreutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.30-2","0.0.30-3","0.0.30-3~exp1","0.0.30-4","0.10.0-1","0.11.0-1","0.11.0-2","0.12.0-1","0.6.0-1","0.7.0-1","0.8.0-1","0.8.0-2","0.8.0-3","0.8.0-4","0.8.0-5","0.8.0-6","0.9.0-1","0.9.0-2","0.9.0-3"]},{"source":"osv","ecosystem":"Debian:14","package":"rust-coreutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.0-1"}]}],"versions":["0.0.30-2","0.0.30-3","0.0.30-3~exp1","0.0.30-4"]},{"source":"osv","ecosystem":"crates.io","package":"uucore","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.6.0"}]}]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"rust-coreutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.20-1","0.0.22-1","0.0.23-1","0.0.23-2","0.0.23-3","0.0.24-1","0.0.24-2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"rust-coreutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.30-1","0.0.30-2","0.0.30-2ubuntu2","0.1.0-0ubuntu1","0.1.0+git20250711.2ba3a33-0ubuntu1","0.1.0+git20250711.2ba3a33-0ubuntu2","0.1.0+git20250711.2ba3a33-0ubuntu3","0.1.0+git20250711.2ba3a33-0ubuntu4","0.1.0+git20250801.cf79675-0ubuntu1","0.1.0+git20250813.4af2a84-0ubuntu2","0.1.0+git20250813.4af2a84-0ubuntu4","0.1.0+git20250813.4af2a84-0ubuntu6","0.1.0+git20250813.4af2a84-0ubuntu7","0.2.2-0ubuntu1","0.2.2-0ubuntu2","0.2.2-0ubuntu2.1"]}],"products":[{"vendor":"uutils","product":"coreutils"}],"references":[{"url":"https://github.com/uutils/coreutils/pull/9792","tags":["issue-tracking","patch","Issue Tracking","Patch","fix","web","report"]},{"url":"https://github.com/uutils/coreutils/releases/tag/0.6.0","tags":["vendor-advisory","Release Notes","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35362","tags":["advisory"]},{"url":"https://github.com/uutils/coreutils/commit/30239e69a328e76d2377f2a0bc02fbde61c34280","tags":["web"]},{"url":"https://github.com/advisories/GHSA-ggc5-46rg-mr4v"},{"url":"https://github.com/uutils/coreutils/security/advisories/GHSA-w6xc-g9qj-vp32","tags":["web"]},{"url":"https://github.com/advisories/GHSA-w6xc-g9qj-vp32"},{"url":"https://github.com/uutils","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35362.json","tags":["advisory"]},{"url":"https://github.com/uutils/coreutils","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-35362","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-35362","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-35362","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-35362","title":"uutils coreutils Missing TOCTOU Protection on Non-Linux Unix Platforms in Safe Traversal Module","description":"The safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use (TOCTOU) symlink races using file-descriptor-relative syscalls, is incorrectly limited to Linux targets. On other Unix-like systems such as macOS and FreeBSD, the utility fails to utilize these protections, leaving directory traversal operations vulnerable to symlink race conditions.","status":"published","published":"2026-04-22T16:08:33.266Z","modified":"2026-04-22T17:28:40.509Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:20:05.15083Z"}],"euvd":[{"id":"EUVD-2026-25006","description":"The safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use (TOCTOU) symlink races using file-descriptor-relative syscalls, is incorrectly limited to Linux targets. On other Unix-like systems such as macOS and FreeBSD, the utility fails to utilize these protections, leaving directory traversal operations vulnerable to symlink race conditions.","status":"published","published":"2026-04-22T16:08:33Z","modified":"2026-04-22T17:28:40Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T19:24:20.283712Z"}],"ghsa":[{"id":"GHSA-ggc5-46rg-mr4v","title":"Duplicate Advisory: uutils coreutils has a Time-of-check Time-of-use (TOCTOU) Race Condition","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-w6xc-g9qj-vp32. This link is maintained to preserve external references.\n\n### Original Description\nThe safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use (TOCTOU) symlink races using file-descriptor-relative syscalls, is incorrectly limited to Linux targets. On other Unix-like systems such as macOS and FreeBSD, the utility fails to utilize these protections, leaving directory traversal operations vulnerable to symlink race conditions.","status":"withdrawn","published":"2026-04-22T18:31:45Z","modified":"2026-07-06T20:25:09Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:40:39.314643Z"},{"id":"GHSA-w6xc-g9qj-vp32","title":"uucore: safe_traversal TOCTOU protection only enabled on Linux","description":"The safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use (TOCTOU) symlink races using file-descriptor-relative syscalls, is incorrectly limited to Linux targets. On other Unix-like systems such as macOS and FreeBSD, the utility fails to utilize these protections, leaving directory traversal operations vulnerable to symlink race conditions.\n\n---\n_Zellic finding 3.59. Reported in the Zellic *uutils coreutils Program Security Assessment* (for Canonical, Jan 2026), audited commit `3a07ffc5a9bd4c283e75afa548ba1f1957bad242`._","status":"published","published":"2026-07-06T20:25:15Z","modified":"2026-07-06T20:25:16Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:40:39.314643Z"}],"nvd":[{"id":"CVE-2026-35362","description":"The safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use (TOCTOU) symlink races using file-descriptor-relative syscalls, is incorrectly limited to Linux targets. On other Unix-like systems such as macOS and FreeBSD, the utility fails to utilize these protections, leaving directory traversal operations vulnerable to symlink race conditions.","status":"published","published":"2026-04-22T17:16:38.96Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:12:15.867234Z"}],"osv":[{"id":"CVE-2026-35362","title":"uutils coreutils Missing TOCTOU Protection on Non-Linux Unix Platforms in Safe Traversal Module","description":"The safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use (TOCTOU) symlink races using file-descriptor-relative syscalls, is incorrectly limited to Linux targets. On other Unix-like systems such as macOS and FreeBSD, the utility fails to utilize these protections, leaving directory traversal operations vulnerable to symlink race conditions.","status":"published","published":"2026-04-22T16:08:33.266Z","modified":"2026-10-28T02:30:33.967196396Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:45:02.673625Z"},{"id":"DEBIAN-CVE-2026-35362","description":"The safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use (TOCTOU) symlink races using file-descriptor-relative syscalls, is incorrectly limited to Linux targets. On other Unix-like systems such as macOS and FreeBSD, the utility fails to utilize these protections, leaving directory traversal operations vulnerable to symlink race conditions.","status":"published","published":"2026-04-22T17:16:38.96Z","modified":"2026-10-27T09:47:33.676917156Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T15:45:54.587575Z"},{"id":"GHSA-ggc5-46rg-mr4v","title":"Duplicate Advisory: uutils coreutils has a Time-of-check Time-of-use (TOCTOU) Race Condition","description":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-w6xc-g9qj-vp32. This link is maintained to preserve external references.\n\n### Original Description\nThe safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use (TOCTOU) symlink races using file-descriptor-relative syscalls, is incorrectly limited to Linux targets. On other Unix-like systems such as macOS and FreeBSD, the utility fails to utilize these protections, leaving directory traversal operations vulnerable to symlink race conditions.","status":"withdrawn","published":"2026-04-22T18:31:45Z","modified":"2026-09-10T03:51:01.763188129Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:46:47.822182Z"},{"id":"GHSA-w6xc-g9qj-vp32","title":"uucore: safe_traversal TOCTOU protection only enabled on Linux","description":"The safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use (TOCTOU) symlink races using file-descriptor-relative syscalls, is incorrectly limited to Linux targets. On other Unix-like systems such as macOS and FreeBSD, the utility fails to utilize these protections, leaving directory traversal operations vulnerable to symlink race conditions.\n\n---\n_Zellic finding 3.59. Reported in the Zellic *uutils coreutils Program Security Assessment* (for Canonical, Jan 2026), audited commit `3a07ffc5a9bd4c283e75afa548ba1f1957bad242`._","status":"published","published":"2026-07-06T20:25:15Z","modified":"2026-07-06T20:41:04.834694Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:46:58.401149Z"},{"id":"UBUNTU-CVE-2026-35362","description":"The safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use (TOCTOU) symlink races using file-descriptor-relative syscalls, is incorrectly limited to Linux targets. On other Unix-like systems such as macOS and FreeBSD, the utility fails to utilize these protections, leaving directory traversal operations vulnerable to symlink race conditions.","status":"published","published":"2026-04-22T17:16:00Z","modified":"2026-05-14T14:41:21.709356Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T16:56:16.686388Z"}]}}