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Gentoo Linux Security Advisory                           GLSA 202101-20
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: glibc: Multiple vulnerabilities
     Date: January 25, 2021
     Bugs: #611344, #717058, #720730, #758359
       ID: 202101-20

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Synopsis
========

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

Background
==========

glibc is a package that contains the GNU C library.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  sys-libs/glibc              < 2.32-r5                 >= 2.32-r5

Description
===========

Multiple vulnerabilities have been discovered in glibc. Please review
the CVE identifiers referenced below for details.

Impact
======

Please review the referenced CVE identifiers for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All glibc users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.32-r5"

References
==========

[ 1 ] CVE-2016-10228
      https://nvd.nist.gov/vuln/detail/CVE-2016-10228
[ 2 ] CVE-2020-1752
      https://nvd.nist.gov/vuln/detail/CVE-2020-1752
[ 3 ] CVE-2020-29562
      https://nvd.nist.gov/vuln/detail/CVE-2020-29562
[ 4 ] CVE-2020-29573
      https://nvd.nist.gov/vuln/detail/CVE-2020-29573
[ 5 ] CVE-2020-6096
      https://nvd.nist.gov/vuln/detail/CVE-2020-6096

Availability
============

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

 https://security.gentoo.org/glsa/202101-20

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