Ubuntu Update for pidgin vulnerabilities USN-902-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-902-1
Solution
Please Install the Updated Packages.
Insight
Fabian Yamaguchi discovered that Pidgin incorrectly validated all fields of an incoming message in the MSN protocol handler. A remote attacker could send a specially crafted message and cause Pidgin to crash, leading to a denial of service. (CVE-2010-0277) Sadrul Habib Chowdhury discovered that Pidgin incorrectly handled certain nicknames in Finch group chat rooms. A remote attacker could use a specially crafted nickname and cause Pidgin to crash, leading to a denial of service. (CVE-2010-0420) Antti Hayrynen discovered that Pidgin incorrectly handled large numbers of smileys. A remote attacker could send a specially crafted message and cause Pidgin to become unresponsive, leading to a denial of service. (CVE-2010-0423)
Affected
pidgin vulnerabilities on Ubuntu 8.04 LTS , Ubuntu 8.10 , Ubuntu 9.04 , Ubuntu 9.10