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Gentoo Linux Security Advisory                           GLSA 202305-23
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Lua: Multiple Vulnerabilities
     Date: May 03, 2023
     Bugs: #837521, #831053, #520480
       ID: 202305-23

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Synopsis
========

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

Background
==========

Lua is a powerful, efficient, lightweight, embeddable scripting
language. It supports procedural programming, object-oriented
programming, functional programming, data-driven programming, and data
description.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
    dev-lang/lua:0                  *
    dev-lang/lua:5.1        <5.1.5-r200:5.1    >=5.1.5-r200:5.1
    dev-lang/lua:5.2        <5.2.3:5.2         >=5.2.3:5.2
    dev-lang/lua:5.4        <5.4.4-r103:5.4    >=5.4.4-r103:5.4
    

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

Multiple vulnerabilities have been discovered in Lua. 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 Lua 5.1 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-lang/lua-5.1.5-r200"

All Lua 5.3 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-lang/lua-5.2.3"

All Lua 5.4 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-lang/lua-5.4.4-r103"

References
==========

[ 1 ] CVE-2014-5461
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5461
[ 2 ] CVE-2021-44647
      https://nvd.nist.gov/vuln/detail/CVE-2021-44647
[ 3 ] CVE-2022-28805
      https://nvd.nist.gov/vuln/detail/CVE-2022-28805

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

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

 https://security.gentoo.org/glsa/202305-23

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 2023 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