This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--QxSnDOXK94Wd5GugogskBkOOea8ui7QFy
Content-Type: multipart/mixed;
 boundary="WFwC9su9j4w6C0CI0YqVEQPaaQiCAUKye"

--WFwC9su9j4w6C0CI0YqVEQPaaQiCAUKye
Content-Type: text/plain; charset=utf-8
Content-Language: en-U
Content-Transfer-Encoding: quoted-printable

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 202003-63
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                           https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: Normal
    Title: GNU IDN Library 2: Multiple vulnerabilities
     Date: March 30, 2020
     Bugs: #697752
       ID: 202003-63

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

Synopsis
========

Multiple vulnerabilities have been found in GNU IDN Library 2, the
worst of which could result in the remote execution of arbitrary code.

Background
==========

GNU IDN Library 2 is an implementation of the IDNA2008 + TR46
specifications (RFC 5890, RFC 5891, RFC 5892, RFC 5893, TR 46).

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-dns/libidn2              < 2.2.0                    >= 2.2.0

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

Multiple vulnerabilities have been discovered in GNU IDN Library 2.
Please review the CVE identifiers referenced below for details.

Impact
======

A remote attacker could send specially crafted input, possibly
resulting in execution of arbitrary code with the privileges of the
process, impersonation of domains or a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All GNU IDN Library 2 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-dns/libidn2-2.2.0"

References
==========

[ 1 ] CVE-2019-12290
      https://nvd.nist.gov/vuln/detail/CVE-2019-12290
[ 2 ] CVE-2019-18224
      https://nvd.nist.gov/vuln/detail/CVE-2019-18224

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

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

 https://security.gentoo.org/glsa/202003-63

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



--WFwC9su9j4w6C0CI0YqVEQPaaQiCAUKye--

--QxSnDOXK94Wd5GugogskBkOOea8ui7QFy
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
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=hs6K
-----END PGP SIGNATURE-----

--QxSnDOXK94Wd5GugogskBkOOea8ui7QFy--