GitHub Git LFS before 2.1.1 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, located on a "url =" line in a .lfsconfig file within a repository.
Sourcetree for macOS versions 1.0b2 up to 2.7.0 and Sourcetree for Windows versions 0.5.1.0 up to 2.4.7.0 suffers from multiple command injection vulnerabilities.