A Python security update has been released for Gentoo Linux.

GLSA 202101-18 : Python: Multiple vulnerabilities

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 202101-18
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: Python: Multiple vulnerabilities
Date: January 24, 2021
Bugs: #749339, #759928, #766189
ID: 202101-18

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
=======
Multiple vulnerabilities have been found in Python, the worst of which
could result in the arbitrary execution of code.

Background
=========
Python is an interpreted, interactive, object-oriented programming
language.

Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-lang/python < 2.7.18-r6:2.7 >= 2.7.18-r6:2.7
< 3.6.12-r2:3.6 >= 3.6.12-r2:3.6
< 3.7.9-r2:3.7 >= 3.7.9-r2:3.7
< 3.8.7-r1:3.8 >= 3.8.7-r1:3.8
< 3.9.1-r1:3.9 >= 3.9.1-r1:3.9

Description
==========
Multiple vulnerabilities have been discovered in Python. Please review
the bugs referenced below for details.

Impact
=====
A remote attacker could possibly execute arbitrary code with the
privileges of the process, or cause a Denial of Service condition.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Python 2.7 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">?v-lang/python-2.7.18-r5"

All Python 3.6 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">?v-lang/python-3.6.12-r1"

All Python 3.7 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">?v-lang/python-3.7.9-r1"

All Python 3.8 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">?v-lang/python-3.8.6-r1"

All Python 3.9 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">?v-lang/python-3.9.0-r1"

References
=========
[ 1 ] CVE-2020-26116
  https://nvd.nist.gov/vuln/detail/CVE-2020-26116
[ 2 ] CVE-2021-3177
  https://nvd.nist.gov/vuln/detail/CVE-2021-3177

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  https://security.gentoo.org/glsa/202101-18

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
  https://bugs.gentoo.org.

License
======
Copyright 2021 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

  https://creativecommons.org/licenses/by-sa/2.5