CVE-2017-16228: python-dulwich: Setting SSH arguments from untrusted URLs allows code execution

Severity: Critical

CVSS Score: 9.8

Dulwich before 0.18.5, when an SSH subprocess is used, allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, a related issue to CVE-2017-9800, CVE-2017-12836, CVE-2017-12976, CVE-2017-1000116, and CVE-2017-1000117.