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.
github.com/giampaolo/psutil/pull/1616
lists.debian.org/debian-lts-announce/2019/11/msg00018.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2P7QI7MOTZTFXQYU23CP3RAWXCERMOAS/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OLETTJYZL2SMBUI4Q2NGBMGPDPP54SRG/
usn.ubuntu.com/4204-1/