The vulnerability of the _proc_pax function (Lib/tarfile.py) in the Python programming language allows a attacker to cause a service failure.

The vulnerability of the procpax function in the Lib/tarfile.py module of the Python interpreter is related to insufficient input validation. Exploiting this vulnerability could allow an attacker to cause service failures remotely...

UBUNTU-CVE-2019-20907

In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because procpax lacks header validation...