psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
{ "versions": [ { "introduced": "0" }, { "last_affected": "5.6.5" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18874.json"