Ubuntu Security Notice 1640-1 - 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.
49a32b62fb4070d1e8aaa6c34b9e46b28acc5b05eeb6b1a378719f9edcaa254f