{"id":"CVE-2026-6390","state":"PUBLISHED","title":"Nano: gnu nano: arbitrary memory writes, information disclosure, or denial of service via format string vulnerability in error handling.","description":"A flaw was found in GNU nano's multi-buffer error message handling. When a user opens multiple files at startup and one triggers an ALERT-level error, a specially crafted filename containing printf format specifiers can be reinterpreted. 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