Samba is a free software re-implementation of the SMB networking protocol and provide file and print services for different Microsoft Windows clients. The name originates from the SMB (Server Message Block) protocol which is used by the Microsoft Windows network file system.

A security vulnerability (CVE-2017-7494) has been discovered in the software version 3.5.0 and later, that can allow a hacker with write access to execute code remotely and take control of the affected Linux and Unix devices.