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Gentoo Linux Security Advisory                           GLSA 202402-19
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: libcaca: Arbitary Code Execution
     Date: February 18, 2024
     Bugs: #772317
       ID: 202402-19

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Synopsis
========

A vulnerability has been discovered in libcaca which can lead to
arbitrary code execution.

Background
==========

libcaca is a library that creates colored ASCII-art graphics.

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

Package             Vulnerable        Unaffected
------------------  ----------------  -----------------
media-libs/libcaca  < 0.99_beta19-r4  >= 0.99_beta19-r4

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

A vulnerability has been discovered in libcaca. Please review the CVE
identifier referenced below for details.

Impact
======

A buffer overflow issue in caca_resize function in libcaca/caca/canvas.c
may lead to local execution of arbitrary code in the user context.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libcaca users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose
 ">=media-libs/libcaca-0.99_beta19-r4"

References
==========

[ 1 ] CVE-2021-3410
      https://nvd.nist.gov/vuln/detail/CVE-2021-3410

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

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

 https://security.gentoo.org/glsa/202402-19

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 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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