SMTP server in SLmail 3.1 and earlier allows remote attackers to cause a denial of service via malformed commands whose arguments begin with a ( (parenthesis) character, such as (1) SEND, (2) VRFY, (3) EXPN, (4) MAIL FROM, (5) RCPT TO.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Slmail | Seatle_lab_software | * | 3.1 (including) |