Buffer Overflow vulnerability in BNC getnickuserhost IRC Server Response Buffer overflow in the getnickuserhost function in BNC 2.8.9, and possibly other versions, allows remote IRC servers to execute arbitrary code via an IRC server response that contains many (1) ! (exclamation) or (2) @ (at sign) characters.
Remote Format String vulnerability in EZ-IPupdate Format string vulnerability in ez-ipupdate.c for ez-ipupdate 3.0.10 through 3.0.11b8, when running in daemon mode with certain service types in use, allows remote servers to execute arbitrary code.