CVE-2019-18874

Publication date 12 November 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
python-psutil	19.10 eoan	Fixed 5.5.1-1ubuntu0.19.10.1
	19.04 disco	Fixed 5.5.1-1ubuntu0.19.04.1
	18.04 LTS bionic	Fixed 5.4.2-1ubuntu0.1
	16.04 LTS xenial	Fixed 3.4.2-1ubuntu0.1
	14.04 LTS trusty	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
python-psutil	Upstream: 7d512c8 Upstream: 3a9bccf

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-4204-1
psutil vulnerability
28 November 2019