Debian Security Advisory

DLA-1998-1 python-psutil -- LTS security update

Date Reported:
18 Nov 2019
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2019-18874.
More information:

It was discovered that there were multiple double free vulnerabilities in python-psutil, a Python module providing convenience functions for accessing system process data.

This was caused by incorrect reference counting handling within for/while loops that convert system data into said Python objects.

  • CVE-2019-18874

    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.

For Debian 8 Jessie, these problems have been fixed in version 2.1.1-1+deb8u1.

We recommend that you upgrade your python-psutil packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: