CVE Explorer
CVE-2025-6338
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","platforms":["Windows"],"product":"Qt","vendor":"Qt","versions":[{"lessThan":"5.15.0","status":"unaffected","version":"0","versionType":"python"},{"lessThanOrEqual":"6.8.3","status":"affected","version":"5.15.0","versionType":"python"},{"lessThan":"6.9.0","status":"unaffected","version":"6.8.4","versionType":"python"},{"lessThan":"6.9.2","status":"affected","version":"6.9.0","versionType":"python"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:d8ad847e1db0496c954f6709c3a3daf1027b85ab049150526b21449a4a0b6210 · sha256:2dc4893c72d416cb… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpac…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:d8ad847e1db0496c954f6709c3a3daf1027b85ab049150526b21449a4a0b6210 · sha256:2dc4893c72d416cb… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-459","description":"CWE-459 Incomplete Cleanup","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:d8ad847e1db0496c954f6709c3a3daf1027b85ab049150526b21449a4a0b6210 · sha256:2dc4893c72d416cb… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://codereview.qt-project.org/c/qt/qtbase/+/651495"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:d8ad847e1db0496c954f6709c3a3daf1027b85ab049150526b21449a4a0b6210 · sha256:2dc4893c72d416cb… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.