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Gentoo Linux Security Advisory                           GLSA 201903-09
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: GNU C Library: Arbitrary descriptor allocation
     Date: March 14, 2019
     Bugs: #617938
       ID: 201903-09

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Synopsis
=======
A vulnerability in the GNU C Library could result in a Denial of
Service condition.

Background
=========
The GNU C library is the standard C library used by Gentoo Linux
systems.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  sys-libs/glibc               < 2.26.0                  >= 2.26.0 

Description
==========
A vulnerability was discovered in the GNU C Library functions xdr_bytes
and xdr_string.

Impact
=====
A remote attacker, by sending a crafted UDP packet, could cause a
Denial of Service condition.

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

Resolution
=========
All GNU C Library users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.26.0"

References
=========
[ 1 ] CVE-2018-19591
      https://nvd.nist.gov/vuln/detail/CVE-2018-19591

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

 https://security.gentoo.org/glsa/201903-09

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 2019 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/