Buffer overflow in pop3trap.exe for PC-cillin 2000, 2002, and 2003 allows local users to execute arbitrary code via a long input string to TCP port 110 (POP3).
Buffer overflow in defang in libhttpd.c for thttpd 2.21 to 2.23b1 allows remote attackers to execute arbitrary code via requests that contain '<' or '>' characters, which trigger the overflow when the characters are expanded to "<" and ">" sequences.