[gentoo-announce] [ GLSA 202007-28 ] re2c: Buffer overflow

[Sam James <sam@gentoo.org>]

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Gentoo Linux Security Advisory                           GLSA 202007-28
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: re2c: Buffer overflow
     Date: July 27, 2020
     Bugs: #718350
       ID: 202007-28

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Synopsis
========

A vulnerability in re2c could lead to a Denial of Service condition.

Background
==========

re2c is a tool for generating C-based recognizers from regular
expressions.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-util/re2c                < 1.3-r1                  >= 1.3-r1

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

A heap buffer overflow vulnerability was discovered in re2c.

Impact
======

An attacker could possibly cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All re2c users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-util/re2c-1.3-r1"

References
==========

[ 1 ] CVE-2020-11958
      https://nvd.nist.gov/vuln/detail/CVE-2020-11958

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

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

 https://security.gentoo.org/glsa/202007-28

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


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