A logic error in the ln utility of uutils coreutils causes the program to reject source paths containing non-UTF-8 filename bytes when using target-directory forms (e.g., ln SOURCE... DIRECTORY). While GNU ln treats filenames as raw bytes and creates the links correctly, the uutils implementation enforces UTF-8 encoding, resulting in a failure to stat the file and a non-zero exit code. In environments where automated scripts or system tasks process valid but non-UTF-8 filenames common on Unix filesystems, this divergence causes the utility to fail, leading to a local denial of service for those specific operations.

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Source ID Title
Github GHSA Github GHSA GHSA-xh5h-p8c5-4w4x uutils coreutils has an Improper Handling of Unicode Encoding Issue
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 04 May 2026 20:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:uutils:coreutils:-:*:*:*:*:rust:*:*

Mon, 27 Apr 2026 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Uutils
Uutils coreutils
Vendors & Products Uutils
Uutils coreutils

Wed, 22 Apr 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 22 Apr 2026 16:30:00 +0000

Type Values Removed Values Added
Description A logic error in the ln utility of uutils coreutils causes the program to reject source paths containing non-UTF-8 filename bytes when using target-directory forms (e.g., ln SOURCE... DIRECTORY). While GNU ln treats filenames as raw bytes and creates the links correctly, the uutils implementation enforces UTF-8 encoding, resulting in a failure to stat the file and a non-zero exit code. In environments where automated scripts or system tasks process valid but non-UTF-8 filenames common on Unix filesystems, this divergence causes the utility to fail, leading to a local denial of service for those specific operations.
Title uutils coreutils ln Local Denial of Service via Improper Handling of Non-UTF-8 Filenames
Weaknesses CWE-176
References
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: canonical

Published:

Updated: 2026-04-22T17:20:29.756Z

Reserved: 2026-04-02T12:58:56.088Z

Link: CVE-2026-35373

cve-icon Vulnrichment

Updated: 2026-04-22T17:20:19.459Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-22T17:16:41.997

Modified: 2026-05-04T20:01:25.930

Link: CVE-2026-35373

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-27T19:53:31Z

Weaknesses