POP Peeper version 3.4.0.0 is vulnerable to a remote buffer overflow vulnerability. This vulnerability is exploitable on the client side. A vulnerable POP Peeper user must connect to an exploitation server and retrieve mail to be affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/75688/KL0309ADV-poppeeper_date-bof.txt
Source: https://packetstormsecurity.com/files/75688/POP-Peeper-3.4.0.0-Buffer-Overflow-Vulnerability.html