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Gentoo Linux Security Advisory                           GLSA 202005-05
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                                           https://security.gentoo.org/
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 Severity: High
    Title: Squid: Multiple vulnerabilities
     Date: May 12, 2020
     Bugs: #719046
       ID: 202005-05

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Synopsis
========

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

Background
==========

Squid is a full-featured Web proxy cache designed to run on Unix
systems. It supports proxying and caching of HTTP, FTP, and other URLs,
as well as SSL support, cache hierarchies, transparent caching, access
control lists and many other features.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-proxy/squid               < 4.11                     >= 4.11

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

Multiple vulnerabilities have been discovered in Squid. 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 Squid users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-proxy/squid-4.11"

References
==========

[ 1 ] CVE-2019-12519
      https://nvd.nist.gov/vuln/detail/CVE-2019-12519
[ 2 ] CVE-2019-12521
      https://nvd.nist.gov/vuln/detail/CVE-2019-12521
[ 3 ] CVE-2020-11945
      https://nvd.nist.gov/vuln/detail/CVE-2020-11945

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

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

 https://security.gentoo.org/glsa/202005-05

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 2020 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