Buffer overflow in MailCarrier 2.51 allows remote attackers to execute arbitrary code via a long (1) EHLO and possibly (2) HELO command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17861
http://secunia.com/advisories/12999
http://marc.info/?l=bugtraq&m=109880961630050&w=2
Source: Mitre, NVD
Published: 2004-10-16
Updated: 2017-07-11
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical