An issue was discovered in Joomla! 3.0.0 through 3.10.6 & 4.0.0 through 4.1.0. Extracting an specifilcy crafted tar package could write files outside of the intended path.
{ "cpes": [ "cpe:2.3:a:joomla:joomla!:*:*:*:*:*:*:*:*" ], "severity": "High" }