A libxls security update has been released for Gentoo Linux.

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Gentoo Linux Security Advisory GLSA 202003-64
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  https://security.gentoo.org/
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Severity: Normal
Title: libxls: Multiple vulnerabilities
Date: March 30, 2020
Bugs: #638336, #674006
ID: 202003-64

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Synopsis
========

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

Background
==========

libxls is a C library for reading Excel files in the nasty old binary
OLE format, plus a command-line tool for converting XLS to CSV.

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

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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/libxls < 1.5.2 >= 1.5.2

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

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

Impact
======

A remote attacker could entice a user to process a specially crafted
Excel file using libxls, possibly resulting in execution of arbitrary
code with the privileges of the process or a Denial of Service
condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libxls users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libxls-1.5.2"

References
==========

[ 1 ] CVE-2017-12110
  https://nvd.nist.gov/vuln/detail/CVE-2017-12110
[ 2 ] CVE-2017-12111
  https://nvd.nist.gov/vuln/detail/CVE-2017-12111
[ 3 ] CVE-2017-2896
  https://nvd.nist.gov/vuln/detail/CVE-2017-2896
[ 4 ] CVE-2017-2897
  https://nvd.nist.gov/vuln/detail/CVE-2017-2897
[ 5 ] CVE-2017-2919
  https://nvd.nist.gov/vuln/detail/CVE-2017-2919
[ 6 ] CVE-2018-20450
  https://nvd.nist.gov/vuln/detail/CVE-2018-20450
[ 7 ] CVE-2018-20452
  https://nvd.nist.gov/vuln/detail/CVE-2018-20452

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

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

  https://security.gentoo.org/glsa/202003-64

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