Important: python3 security update

Related Vulnerabilities: CVE-2019-9636   CVE-2019-9636   CVE-2019-9636  

Synopsis

Important: python3 security update

Type/Severity

Security Advisory: Important

Topic

An update for python3 is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

This package provides the "python3" executable: the reference interpreter for the Python language, version 3. The majority of its standard library is provided in the python3-libs package, which should be installed automatically along with python3. The remaining parts of the Python standard library are broken out into the python3-tkinter and python3-test packages.

Security Fix(es):

  • python: Information Disclosure due to urlsplit improper NFKC normalization (CVE-2019-9636)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux for ARM 64 8 aarch64
  • Red Hat Enterprise Linux for x86_64 8 x86_64

Fixes

  • BZ - 1688543 - CVE-2019-9636 python: Information Disclosure due to urlsplit improper NFKC normalization

CVEs

References