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CVE-2025-6338

🗓️ 16 Oct 2025 09:22:14Reported by TQtCType 
cve
 cve
🔗 web.nvd.nist.gov👁 68 Views

CVE-2025-6338 allows denial of service in Qt Schannel Windows TLS backend due to incomplete cleanup.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2025-6338
16 Oct 202509:22
attackerkb
circl
Circl
CVE-2025-6338
16 Oct 202510:33
circl
cnnvd
CNNVD
Qt 安全漏洞
16 Oct 202500:00
cnnvd
cvelist
Cvelist
CVE-2025-6338 Possible denial of service with multiple incoming connections to a Schannel based server with a TLS backend
16 Oct 202509:22
cvelist
debiancve
Debian CVE
CVE-2025-6338
16 Oct 202509:22
debiancve
euvd
EUVD
EUVD-2025-34743
16 Oct 202509:22
euvd
nvd
NVD
CVE-2025-6338
16 Oct 202510:15
nvd
qt
QT
Security advisory: Recently reported incomplete cleanup issue in Qt's Schannel handling can impact Qt
30 Jun 202500:00
qt
redhatcve
RedhatCVE
CVE-2025-6338
20 Oct 202513:13
redhatcve
rosalinux
Rosalinux
Advisory ROSA-SA-2025-2983
9 Sep 202510:46
rosalinux
Rows per page
CNA
Node
OR
qtqtRange05.15.0windows
qtqtRange5.15.06.8.3windows
qtqtRange6.8.46.9.0windows
qtqtRange6.9.06.9.2windows
[
  {
    "vendor": "Qt",
    "product": "Qt",
    "platforms": [
      "Windows"
    ],
    "versions": [
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.15.0",
        "versionType": "python"
      },
      {
        "status": "affected",
        "version": "5.15.0",
        "lessThanOrEqual": "6.8.3",
        "versionType": "python"
      },
      {
        "status": "unaffected",
        "version": "6.8.4",
        "lessThan": "6.9.0",
        "versionType": "python"
      },
      {
        "status": "affected",
        "version": "6.9.0",
        "lessThan": "6.9.2",
        "versionType": "python"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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29 Jul 2026 10:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 49.2
EPSS0.00395
SSVC
68