CVE-2026-35373

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.

CVSS v3 3.3 LOW

3.3^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.8 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/uutils/coreutils/pull/11403	Exploit Issue Tracking

Configurations

Configuration 1 (hide)

cpe:2.3:a:uutils:coreutils:-:*:*:*:*:rust:*:*

History

04 May 2026, 20:01

Type	Values Removed	Values Added
First Time		Uutils Uutils coreutils
CPE		cpe:2.3:a:uutils:coreutils:-:::::rust::
References	~~() https://github.com/uutils/coreutils/pull/11403 -~~	() https://github.com/uutils/coreutils/pull/11403 - Exploit, Issue Tracking

22 Apr 2026, 17:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-22 17:16

Updated : 2026-05-04 20:01

NVD link : CVE-2026-35373

Mitre link : CVE-2026-35373

CVE.ORG link : CVE-2026-35373

JSON object : View

Products Affected

uutils

coreutils

CWE

CWE-176

Improper Handling of Unicode Encoding

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