CVE-2026-35348

uutils coreutils sort Local Denial of Service via Forced UTF-8 Parsing

Published Apr 22, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
The sort utility in uutils coreutils is vulnerable to a process panic when using the --files0-from option with inputs containing non-UTF-8 filenames. The implementation enforces UTF-8 encoding and utilizes expect(), causing an immediate crash when encountering valid but non-UTF-8 paths. This diverges from GNU sort, which treats filenames as raw bytes. A local attacker can exploit this to crash the utility and disrupt automated pipelines.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-f2jv-wjjc-2c94 uutils coreutils has an Uncaught Exception When Encountering Valid but Non-UTF-8 Paths
Ubuntu USN Ubuntu USN USN-9041-1 uutils coreutils vulnerabilities
History
Type Values Removed Values Added
First Time appeared Uutils
Uutils coreutils
CPEs cpe:2.3:a:uutils:coreutils:-:*:*:*:*:rust:*:*
Vendors & Products Uutils
Uutils coreutils
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description The sort utility in uutils coreutils is vulnerable to a process panic when using the --files0-from option with inputs containing non-UTF-8 filenames. The implementation enforces UTF-8 encoding and utilizes expect(), causing an immediate crash when encountering valid but non-UTF-8 paths. This diverges from GNU sort, which treats filenames as raw bytes. A local attacker can exploit this to crash the utility and disrupt automated pipelines.
Title uutils coreutils sort Local Denial of Service via Forced UTF-8 Parsing
Weaknesses CWE-248
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
canonical
Published
Updated
Apr 22, 2026, 6:21 PM
Reserved
Apr 2, 2026, 12:58 PM
Status
Analyzed
Published
Apr 22, 2026, 5:16 PM
Modified
Oct 26, 2026, 9:10 PM