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Red Hat Security Advisory

Synopsis:          Important: python3 security update
Advisory ID:       RHSA-2019:0997-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:0997
Issue date:        2019-05-07
CVE Names:         CVE-2019-9636
====================================================================
1. Summary:

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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

3. 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.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

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

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

aarch64:
platform-python-debug-3.6.8-2.el8_0.aarch64.rpm
platform-python-devel-3.6.8-2.el8_0.aarch64.rpm
python3-debuginfo-3.6.8-2.el8_0.aarch64.rpm
python3-debugsource-3.6.8-2.el8_0.aarch64.rpm
python3-idle-3.6.8-2.el8_0.aarch64.rpm
python3-tkinter-3.6.8-2.el8_0.aarch64.rpm

ppc64le:
platform-python-debug-3.6.8-2.el8_0.ppc64le.rpm
platform-python-devel-3.6.8-2.el8_0.ppc64le.rpm
python3-debuginfo-3.6.8-2.el8_0.ppc64le.rpm
python3-debugsource-3.6.8-2.el8_0.ppc64le.rpm
python3-idle-3.6.8-2.el8_0.ppc64le.rpm
python3-tkinter-3.6.8-2.el8_0.ppc64le.rpm

s390x:
platform-python-debug-3.6.8-2.el8_0.s390x.rpm
platform-python-devel-3.6.8-2.el8_0.s390x.rpm
python3-debuginfo-3.6.8-2.el8_0.s390x.rpm
python3-debugsource-3.6.8-2.el8_0.s390x.rpm
python3-idle-3.6.8-2.el8_0.s390x.rpm
python3-tkinter-3.6.8-2.el8_0.s390x.rpm

x86_64:
platform-python-3.6.8-2.el8_0.i686.rpm
platform-python-debug-3.6.8-2.el8_0.i686.rpm
platform-python-debug-3.6.8-2.el8_0.x86_64.rpm
platform-python-devel-3.6.8-2.el8_0.i686.rpm
platform-python-devel-3.6.8-2.el8_0.x86_64.rpm
python3-debuginfo-3.6.8-2.el8_0.i686.rpm
python3-debuginfo-3.6.8-2.el8_0.x86_64.rpm
python3-debugsource-3.6.8-2.el8_0.i686.rpm
python3-debugsource-3.6.8-2.el8_0.x86_64.rpm
python3-idle-3.6.8-2.el8_0.i686.rpm
python3-idle-3.6.8-2.el8_0.x86_64.rpm
python3-test-3.6.8-2.el8_0.i686.rpm
python3-tkinter-3.6.8-2.el8_0.i686.rpm
python3-tkinter-3.6.8-2.el8_0.x86_64.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
python3-3.6.8-2.el8_0.src.rpm

aarch64:
platform-python-3.6.8-2.el8_0.aarch64.rpm
python3-debuginfo-3.6.8-2.el8_0.aarch64.rpm
python3-debugsource-3.6.8-2.el8_0.aarch64.rpm
python3-libs-3.6.8-2.el8_0.aarch64.rpm
python3-test-3.6.8-2.el8_0.aarch64.rpm

ppc64le:
platform-python-3.6.8-2.el8_0.ppc64le.rpm
python3-debuginfo-3.6.8-2.el8_0.ppc64le.rpm
python3-debugsource-3.6.8-2.el8_0.ppc64le.rpm
python3-libs-3.6.8-2.el8_0.ppc64le.rpm
python3-test-3.6.8-2.el8_0.ppc64le.rpm

s390x:
platform-python-3.6.8-2.el8_0.s390x.rpm
python3-debuginfo-3.6.8-2.el8_0.s390x.rpm
python3-debugsource-3.6.8-2.el8_0.s390x.rpm
python3-libs-3.6.8-2.el8_0.s390x.rpm
python3-test-3.6.8-2.el8_0.s390x.rpm

x86_64:
platform-python-3.6.8-2.el8_0.x86_64.rpm
python3-debuginfo-3.6.8-2.el8_0.i686.rpm
python3-debuginfo-3.6.8-2.el8_0.x86_64.rpm
python3-debugsource-3.6.8-2.el8_0.i686.rpm
python3-debugsource-3.6.8-2.el8_0.x86_64.rpm
python3-libs-3.6.8-2.el8_0.i686.rpm
python3-libs-3.6.8-2.el8_0.x86_64.rpm
python3-test-3.6.8-2.el8_0.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2019-9636
https://access.redhat.com/security/updates/classification/#important
https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization.html

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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