CVE-2020-0570: High severity Qt QT vulnerability

Published Feb 7, 2020
·
Updated

Last updated 25 August 2025

Other sources

QLibrary on certain x86 machines, would search for certain libraries and plugins relative to current working directory of the application, which allows an attacker that can place files in the file system and influence the working directory of Qt-based applications to load and execute malicious code.

Upstream Patch:

https://code.qt.io/cgit/qt/qtbase.git/commit/?id=e6f1fde24f77f63fb16b2df239f82a89d2bf05dd

— Red Hat

Uncontrolled search path in the QT Library before 5.14.0, 5.12.7 and 5.9.10 may allow an authenticated user to potentially enable elevation of privilege via local access.

— Launchpad

Affected Software

9 affected componentsFixes available
redhat/qt<5.14.0
5.14.0
redhat/qt<5.12.7
5.12.7
redhat/qt<5.9.10
5.9.10
Qt QT<5.9.10
Qt QT>=5.10.0<5.12.7
Qt QT>=5.13.0<5.14.0
redhat Enterprise Linux=7.0
redhat Enterprise Linux=8.0
debian/qtbase-opensource-src
5.15.2+dfsg-9+deb11u15.15.2+dfsg-9+deb11u25.15.8+dfsg-11+deb12u35.15.15+dfsg-65.15.17+dfsg-7

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/qt to a version that resolves this vulnerability.

    Fixed in 5.14.0
  2. Upgrade

    Upgrade redhat/qt to a version that resolves this vulnerability.

    Fixed in 5.12.7
  3. Upgrade

    Upgrade redhat/qt to a version that resolves this vulnerability.

    Fixed in 5.9.10
  4. Upgrade

    Upgrade debian/qtbase-opensource-src to a version that resolves this vulnerability.

    Fixed in 5.15.2+dfsg-9+deb11u1Fixed in 5.15.2+dfsg-9+deb11u2Fixed in 5.15.8+dfsg-11+deb12u3Fixed in 5.15.15+dfsg-6Fixed in 5.15.17+dfsg-7
  5. Upgrade

    Upgrade Qt QLibrary to a version that resolves this vulnerability.

    Fixed in 5.14.0
  6. Upgrade

    Upgrade Qt QLibrary to a version that resolves this vulnerability.

    Fixed in 5.12.7
  7. Upgrade

    Upgrade Qt QLibrary to a version that resolves this vulnerability.

    Fixed in 5.9.10

Event History

Sep 14, 2020
CVE Published
via MITRE·06:17 PM
Data Sourced
via MITRE·06:17 PM
DescriptionWeakness
Data Sourced
via NVD·07:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:34 PM
Description
Feb 20, 2026
Data Sourced
via Ubuntu·06:35 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·06:36 PM
DescriptionAffected Software

Frequently Asked Questions

1

What is CVE-2020-0570?

CVE-2020-0570 is a vulnerability in the QT Library before versions 5.14.0, 5.12.7, and 5.9.10 that allows an authenticated user to potentially enable elevation of privilege via local access.

2

How severe is CVE-2020-0570?

CVE-2020-0570 has a severity rating of 7.3, which is considered high.

3

Which software versions are affected by CVE-2020-0570?

The QT Library versions before 5.14.0, 5.12.7, and 5.9.10 are affected by CVE-2020-0570.

4

How can I fix CVE-2020-0570?

To fix CVE-2020-0570, update the QT Library to version 5.14.0 or higher.

5

Where can I find more information about CVE-2020-0570?

You can find more information about CVE-2020-0570 on the MITRE CVE website and the QT Project mailing list.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203