Libssh2, a client-side C library implementing the SSHv2 protocol, has released the latest version of its software to patch a total of nine security vulnerabilities. The library is available for all major distributors of the Linux operating systems, including Ubuntu, Red Hat, and Red Hat. The vulnerabilities affect all versions of libssh2 prior to version 1.8.1, and fortunately, there is reportedly no known exploits of these flaws on the Internet. Chris Coulson of Canonical Ltd. was credited for discovering all the security vulnerabilities and responsibly disclosing them to the Libssh developers.
Source: https://thehackernews.com/2019/03/libssh2-vulnerabilities.html