MailScanner before 4.0 5-1 and before 3.2 6-1 allows remote attackers to bypass protection via attachments with a filename with (1) extra leading spaces, (2) extra trailing spaces, or (3) alternate character encodings that cannot be processed by MailScanner.
| Software | From | Fixed in |
|---|---|---|
| mailscanner / mailscanner | - | 3.2_6-1.x |
| mailscanner / mailscanner | - | 4.0_4-1.x |