- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 202501-08
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                           https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: Normal
    Title: Qt: Buffer Overflow
     Date: January 23, 2025
     Bugs: #911790
       ID: 202501-08

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

A vulnerability has been discovered in Qt, where a buffer overflow can
lead to denial of service.

Background
==========

Qt is a cross-platform application development framework.

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

Package        Vulnerable    Unaffected
-------------  ------------  -------------
dev-qt/qtbase  < 6.5.2       >= 6.5.2
dev-qt/qtcore  < 5.15.10-r1  >= 5.15.10-r1

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

When given specifically crafted data then QXmlStreamReader can end up
causing a buffer overflow and subsequently a crash or freeze or get out
of memory on recursive entity expansion, with DTD tokens in XML body.

Impact
======

Please review the referenced CVE identifiers for details.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Qt users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-qt/qtcore-5.15.10-r1"
  # emerge --ask --oneshot --verbose ">=dev-qt/qtbase-6.5.2"

References
==========

[ 1 ] CVE-2023-37369
      https://nvd.nist.gov/vuln/detail/CVE-2023-37369
[ 2 ] CVE-2023-38197
      https://nvd.nist.gov/vuln/detail/CVE-2023-38197

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

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

 https://security.gentoo.org/glsa/202501-08

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