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[gentoo-announce] [ GLSA 202506-13 ] Konsole: Code execution

Posted on 15 June 2025
Gentoo-announce

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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
security@gentoo.org 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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