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buffer overflow in smtp_in.c for Exim 3 (exim3) before 3.36 and Exim 4 (exim4) before 4.21 may allow remote attackers to execute arbitrary code via an invalid (1) HELO or (2) EHLO argument with a large number of spaces followed by a NULL character and a newline, which is not properly trimmed before the \"(no argument given)\" string is appended to the buffer.","Type":"Description","Title":"CVE-2003-0743"},{"CveYear":"2003","CveId":"743","Ordinal":"2","NoteData":"2003-09-06","Type":"Other","Title":"Published"},{"CveYear":"2003","CveId":"743","Ordinal":"3","NoteData":"2016-10-17","Type":"Other","Title":"Modified"}]}}}