CVE-2007-4644

Format string vulnerability in the Cl_GetPackets function in cl_main.c in the client in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote Doomsday servers to execute arbitrary code via format string specifiers in a PSV_CONSOLE_TEXT message.

CVE-2006-1618

Format string vulnerability in the (1) Con_message and (2) conPrintf functions in con_main.c in Doomsday engine 1.8.6 allows remote attackers to execute arbitrary code via format string specifiers in an argument to the JOIN command, and possibly other command arguments.