#VU94613 Time-of-check Time-of-use (TOCTOU) Race Condition in Qt - CVE-2024-39936

 

#VU94613 Time-of-check Time-of-use (TOCTOU) Race Condition in Qt - CVE-2024-39936

Published: July 19, 2024


Vulnerability identifier: #VU94613
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-39936
CWE-ID: CWE-367
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Qt
Software vendor:
Trolltech

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to a race condition in HTTP2 support when establishing an encrypted connection. A remote attacker can potentially force the application to send data before the encrypted() signal, leading to potential information disclosure.


Remediation

Install updates from vendor's website.

External links