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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-10-16
Last Modified
2025-10-16
Generated
2026-06-16
AI Q&A
2025-10-16
EPSS Evaluated
2026-06-15
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
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-459 The product does not properly "clean up" and remove temporary or supporting resources after they have been used.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
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.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-6338. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart