server.cpp in Monopd 0.9.3 allows remote attackers to cause a denial of service (CPU and memory consumption) via a string containing a large number of characters that are escaped when Monopd produces XML output.
Exploitability
AV:NAC:LAu:NImpact
C:NI:NA:P5/AV:N/AC:L/Au:N/C:N/I:N/A:P