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Gentoo Linux Security Advisory                           GLSA 202105-36
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                                            https://security.gentoo.org/
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  Severity: High
     Title: cURL: Multiple vulnerabilities
      Date: May 26, 2021
      Bugs: #779535, #792192
        ID: 202105-36

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

Background
=========
A command line tool and library for transferring data with URLs.

Affected packages
================
     -------------------------------------------------------------------
      Package              /     Vulnerable     /            Unaffected
     -------------------------------------------------------------------
   1  net-misc/curl                < 7.77.0                  >= 7.77.0

Description
==========
Multiple vulnerabilities have been discovered in cURL. 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 cURL users should upgrade to the latest version:

   # emerge --sync
   # emerge --ask --oneshot --verbose ">=net-misc/curl-7.77.0"

References
=========
[ 1 ] CVE-2021-22876
       https://nvd.nist.gov/vuln/detail/CVE-2021-22876
[ 2 ] CVE-2021-22890
       https://nvd.nist.gov/vuln/detail/CVE-2021-22890
[ 3 ] CVE-2021-22898
       https://nvd.nist.gov/vuln/detail/CVE-2021-22898
[ 4 ] CVE-2021-22901
       https://nvd.nist.gov/vuln/detail/CVE-2021-22901

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

  https://security.gentoo.org/glsa/202105-36

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/