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{"affected": [{"configurations": [{"platform": ["linux", "unix", "macos"], "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "coreutils", "source": "cna", "vendor": "Uutils"}, "product": "coreutils", "vendor": "uutils"}], "analysis": {"en": {"generated_at": "2026-04-27T08:45:46.906757+00:00", "value": {"mitigation_remediation": ["Upgrade uutils coreutils to a version that includes the fix for this issue.", "Avoid using the --files0-from option with directories that might contain filenames containing non\u2011UTF\u20118 characters.", "Limit local file system permissions so that only trusted users can introduce such filenames into directories processed by sort."], "summary": {"action": "Update", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "The affected product is uutils coreutils, specifically the sort command. No specific version information is provided, so any release that supports the --files0-from option may be vulnerable.", "description_and_impact": "The uutils coreutils sort utility crashes when the --files0-from option is used with filenames that are valid but not encoded in UTF-8. The implementation forces UTF\u20118 parsing and uses expect(), which triggers a process panic on encountering such filenames. This divergence from GNU sort, which treats filenames as raw bytes, results in a local denial\u2011of\u2011service situation where an attacker can cause the sort program to terminate unexpectedly, disrupting automated pipelines that rely on it.", "risk_and_exploitability": "The CVSS score of 5.5 indicates a medium severity vulnerability. EPSS data is not available, and the issue is not listed in CISA KEV. The vulnerability is exploitable by a local attacker who has the ability to place files with non\u2011UTF\u20118 names in a directory processed by sort. By triggering the crash, the attacker can disrupt services or CI/CD pipelines that depend on the sort utility."}}}}, "created": "2026-04-27T18:45:11.483328+00:00", "updated": "2026-04-27T19:54:37.703883+00:00", "vendors": ["uutils", "uutils$PRODUCT$coreutils"]}