CVE-2025-6338
Unknown Unknown - Not Provided

BaseFortify

Publication date: 2025-10-16

Last updated on: 2025-10-16

Assigner: TQtC

Description
There is an incomplete cleanup vulnerability in Qt Network's Schannel support on Windows which can lead to a Denial of Service over a long period.This issue affects Qt from 5.15.0 through 6.8.3, from 6.9.0 before 6.9.2.

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Meta Information

Published
2025-10-16
Last Modified
2025-10-16
Generated
2026-07-06
AI Q&A
2025-10-16
EPSS Evaluated
2026-07-05
NVD
CVE-2025-6338
EUVD
EUVD-2025-34743

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
qt qt_network 6.8.3
qt qt_network 5.15.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-459 The product does not properly "clean up" and remove temporary or supporting resources after they have been used.

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Executive Summary

This vulnerability is an incomplete cleanup issue in the Qt Network's Schannel support on Windows. It can cause a Denial of Service (DoS) if exploited over a long period. It affects Qt versions from 5.15.0 through 6.8.3, and from 6.9.0 before 6.9.2.

Impact Analysis

The vulnerability can lead to a Denial of Service (DoS) condition, potentially making the affected application or system unavailable or unresponsive over time.

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