Ubuntu Update for libssh USN-1640-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1640-1
Solution
Please Install the Updated Packages.
Insight
Xi Wang and Florian Weimer discovered that libssh incorrectly handled memory. A remote attacker could use this to cause libssh to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2012-4559, CVE-2012-4560, CVE-2012-4561, CVE-2012-4562)
Affected
libssh on Ubuntu 12.10 , Ubuntu 12.04 LTS , Ubuntu 11.10 , Ubuntu 10.04 LTS
References