Multiple heap-based buffer overflows in RevilloC MailServer 1.21 and earlier allow remote attackers to cause a denial of service (CPU consumption or application crash) or execute arbitrary code via a long argument to the (1) MAIL FROM or (2) RCPT TO command.
Improper Restriction of Operations within the Bounds of a Memory Buffer The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.