CVE-2024-39936: High severity Qt QT vulnerability

Published Jul 4, 2024
·
Updated

An issue was discovered in HTTP2 in Qt before 5.15.18, 6.x before 6.2.13, 6.3.x through 6.5.x before 6.5.7, and 6.6.x through 6.7.x before 6.7.3. Code to make security-relevant decisions about an established connection may execute too early, because the encrypted() signal has not yet been emitted and processed..

Affected Software

4 affected components
Qt QT<5.15.18
Qt QT>=6.0.0<6.2.13
Qt QT>=6.3.0<6.5.7
Qt QT>=6.6.0<6.7.3

Event History

Jul 4, 2024
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverity
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via Red Hat·09:20 PM
DescriptionSeverityAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2024-39936?

The severity of CVE-2024-39936 is considered medium due to the potential for security-relevant decisions to be made prematurely.

2

How do I fix CVE-2024-39936?

To fix CVE-2024-39936, upgrade Qt to version 5.15.18 or later, or update to version 6.7.3 or newer.

3

What versions of Qt are affected by CVE-2024-39936?

CVE-2024-39936 affects Qt versions before 5.15.18, 6.x before 6.2.13, 6.3.x through 6.5.x before 6.5.7, and 6.6.x through 6.7.x before 6.7.3.

4

What types of applications are impacted by CVE-2024-39936?

Applications using affected versions of the Qt framework that rely on HTTP2 functionality are impacted by CVE-2024-39936.

5

Does CVE-2024-39936 require immediate action?

Yes, organizations should address CVE-2024-39936 promptly to mitigate potential security risks associated with the vulnerability.

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