Integer overflow in the NET_Compressor::Decompress function in S.T.A.L.K.E.R.: Shadow of Chernobyl 1.0006 and earlier allows remote attackers to cause a denial of service (server crash) via a crafted packet with a 0xc1 value that contains no compressed data, which triggers a copy of a large amount of memory.
https://exchange.xforce.ibmcloud.com/vulnerabilities/43456
http://www.securityfocus.com/bid/29997
http://www.securityfocus.com/archive/1/493765