CVE-2018-0684
Buffer overflow in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R3.0 and earlier, Denbun IMAP version V3.3I R3.0 and earlier) allows remote attackers to execute arbitrary code or cause a denial-of-service (DoS) condition via multipart/form-data format data.
Source: CVE-2018-0684