uutils coreutils CVE-2026-35343

| EUVD-2026-24973 LOW
Always-Incorrect Control Flow Implementation (CWE-670)
2026-04-22 canonical
Information Disclosure Coreutils
3.3
CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

1
Analysis Generated
Apr 23, 2026 - 00:18 vuln.today

DescriptionNVD

The cut utility in uutils coreutils incorrectly handles the -s (only-delimited) option when a newline character is specified as the delimiter. The implementation fails to verify the only_delimited flag in the cut_fields_newline_char_delim function, causing the utility to print non-delimited lines that should have been suppressed. This can lead to unexpected data being passed to downstream scripts that rely on strict output filtering.

AnalysisAI

The cut utility in uutils coreutils fails to suppress non-delimited lines when the -s (only-delimited) option is used with a newline character as the delimiter, causing unfiltered data to be passed to downstream processes. Affected versions prior to 0.8.0 exhibit this logic error, which has low real-world impact due to local-only attack vector and partial technical scope, though it violates strict data filtering contracts that scripts may depend upon.

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CVE-2026-35343 vulnerability details – vuln.today
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