avp.exe in Kaspersky Internet Security 9.0.0.459 and Anti-Virus 9.0.0.463 allows remote attackers to cause a denial of service (CPU consumption and network connectivity loss) via an HTTP URL request that contains a large number of dot "." characters.
https://exchange.xforce.ibmcloud.com/vulnerabilities/52571
https://euvd.enisa.europa.eu/vulnerability/EUVD-2009-2952
http://www.securitytracker.com/id?1022755
http://www.securitytracker.com/id?1022754
http://www.securityfocus.com/bid/36084
http://www.h-online.com/security/Kaspersky-confirm-and-close-DoS-vulnerability--/news/114077
http://securityreason.com/achievement_securityalert/66
http://secunia.com/advisories/36405
http://archives.neohapsis.com/archives/fulldisclosure/2009-08/0252.html