[ GLSA 202402-31 ] GNU Aspell: Heap Buffer Overflow

[email protected] Mon, 26 Feb 2024 12:30:57 -0000
Newsgroups	gmane.linux.gentoo.announce
Message-ID	<170895065756.8.15379039093482434958@987c7955d8b1>
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Gentoo Linux Security Advisory                           GLSA 202402-31
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: GNU Aspell: Heap Buffer Overflow
     Date: February 26, 2024
     Bugs: #803113
       ID: 202402-31

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Synopsis
========

A vulnerability has been discovered in GNU Aspell which leads to a heap
buffer overflow.

Background
==========

GNU Aspell is a popular spell-checker. Dictionaries are available for
many languages.

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

Package          Vulnerable    Unaffected
---------------  ------------  ------------
app-text/aspell  < 0.60.8-r3   >= 0.60.8-r3

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

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

Impact
======

GNU Aspell has a heap-based buffer overflow in
acommon::ObjStack::dup_top (called from acommon::StringMap::add and
acommon::Config::lookup_list)

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All aspell users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-text/aspell-0.60.8-r3"

References
==========

[ 1 ] CVE-2019-25051
      https://nvd.nist.gov/vuln/detail/CVE-2019-25051

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

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

 https://security.gentoo.org/glsa/202402-31

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
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2024 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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