Use After Free Affecting python38:3.8/python38-psycopg2-tests package, versions <0:2.8.4-4.module+el8.4.0+8888+89bc7e79


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
3.52% (88th percentile)

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  • Snyk IDSNYK-RHEL8-PYTHON38-4135740
  • published26 Jul 2021
  • disclosed7 Nov 2019

Introduced: 7 Nov 2019

CVE-2019-18874  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 python38:3.8/python38-psycopg2-tests to version 0:2.8.4-4.module+el8.4.0+8888+89bc7e79 or higher.
This issue was patched in RHSA-2021:4162.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python38:3.8/python38-psycopg2-tests package and not the python38:3.8/python38-psycopg2-tests package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1