[ GLSA 202506-13 ] Konsole: Code execution

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Gentoo Linux Security Advisory                           GLSA 202506-13
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                                           https://security.gentoo.org/
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 Severity: High
    Title: Konsole: Code execution
     Date: June 15, 2025
     Bugs: #957792
       ID: 202506-13

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Synopsis
========

An input sanitization flaw in Konsole might allow remote attackers to
execute commands via a malicious URL

Background
==========

Konsole is KDE's terminal emulator.

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

Package           Vulnerable    Unaffected
----------------  ------------  -------------
kde-apps/konsole  < 24.12.3-r1  >= 24.12.3-r1

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

Konsole supports loading URLs from the scheme handlers such as
telnet://URL. This can be executed regardless of whether the telnet
binary is available. It would fallback to bash in that case and execute
arbitrary code.

Impact
======

Clicking a malicious URL in a browser may lead to arbitrary code
execution. Please review the referenced CVE identifier for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Konsole users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=kde-apps/konsole-24.12.3-r1"

References
==========

[ 1 ] CVE-2025-49091
      https://nvd.nist.gov/vuln/detail/CVE-2025-49091

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

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

 https://security.gentoo.org/glsa/202506-13

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 2025 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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