This issue affects Qt from 5.15.0 through 6.8.3, from 6.9.0 before 6.9.2.
No analysis available yet.
No remediation available yet.
Tracking
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No advisories yet.
| Link | Providers |
|---|---|
| https://codereview.qt-project.org/c/qt/qtbase/+/651495 |
|
Wed, 29 Jul 2026 09:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | 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. |
| CPEs | cpe:2.3:a:qt:qt:*:*:windows:*:*:*:*:* |
Tue, 21 Oct 2025 09:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Microsoft
Microsoft windows Qt Qt qt |
|
| Vendors & Products |
Microsoft
Microsoft windows Qt Qt qt |
Thu, 16 Oct 2025 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 16 Oct 2025 09:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Possible denial of service with multiple incoming connections to a Schannel based server with a TLS backend | |
| Weaknesses | CWE-459 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: TQtC
Published:
Updated: 2026-07-29T08:54:20.124Z
Reserved: 2025-06-19T10:25:01.875Z
Link: CVE-2025-6338
Updated: 2025-10-16T13:14:08.583Z
Status : Deferred
Published: 2025-10-16T10:15:44.510
Modified: 2026-06-17T10:01:39.020
Link: CVE-2025-6338
No data.
OpenCVE Enrichment
Updated: 2025-10-21T09:40:06Z
-
CWE-459
Incomplete Cleanup