CVE-2018-21035
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2018-21035
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-21035.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2018-21035
- Downstream
- Related
- Published
- 2020-02-28T21:15:12.790Z
- Modified
- 2025-12-02T20:44:03.957826Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In Qt through 5.14.1, the WebSocket implementation accepts up to 2GB for frames and 2GB for messages. Smaller limits cannot be configured. This makes it easier for attackers to cause a denial of service (memory consumption).
- References
Affected packages
Git / github.com/qt/qt5
Affected ranges
- Type
- GIT
- Repo
- https://github.com/qt/qt5
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected
Affected versions
qt-v5.*
qt-v5.0.0-alpha1
v5.*
v5.0.0-beta1
v5.1.0-alpha1
v5.1.0-beta1
v5.1.0-rc1
v5.10.0
v5.10.0-alpha1
v5.10.0-beta1
v5.10.0-beta2
v5.10.0-beta3
v5.10.0-beta4
v5.10.0-rc1
v5.10.0-rc2
v5.10.0-rc3
v5.10.1
v5.11.0
v5.11.0-alpha1
v5.11.0-beta1
v5.11.0-beta2
v5.11.0-beta3
v5.11.0-beta4
v5.11.0-rc1
v5.11.0-rc2
v5.11.1
v5.11.2
v5.11.3
v5.12.0
v5.12.0-alpha1
v5.12.0-beta1
v5.12.0-beta2
v5.12.0-beta3
v5.12.0-beta4
v5.12.0-rc1
v5.12.0-rc2
v5.12.1
v5.12.2
v5.12.3
v5.12.4
v5.12.5
v5.13.0
v5.13.0-alpha1
v5.13.0-beta1
v5.13.0-beta2
v5.13.0-beta3
v5.13.0-beta4
v5.13.0-rc1
v5.13.0-rc2
v5.13.0-rc3
v5.13.1
v5.14.0
v5.14.0-alpha1
v5.14.0-beta1
v5.14.0-beta2
v5.14.0-beta3
v5.14.0-rc1
v5.14.0-rc2
v5.14.1
v5.2.0-alpha1
v5.2.0-beta1
v5.3.0-alpha1
v5.3.0-beta1
v5.4.0
v5.4.0-alpha1
v5.4.0-beta1
v5.4.0-rc1
v5.4.1
v5.4.2
v5.5.0-alpha1
v5.5.0-beta1
v5.6.0
v5.6.0-alpha1
v5.6.0-beta1
v5.6.0-rc1
v5.6.2
v5.6.3
v5.7.0-alpha1
v5.7.0-beta1
v5.7.0-rc1
v5.8.0
v5.8.0-alpha1
v5.8.0-beta1
v5.8.0-rc1
v5.9.0-alpha1
v5.9.0-beta1
v5.9.0-beta2
v5.9.0-beta3
v5.9.0-beta4
v5.9.0-rc1
v5.9.1
v5.9.2
v5.9.3
v5.9.4
Git / github.com/qt/qtbase
Affected ranges
- Type
- GIT
- Repo
- https://github.com/qt/qtbase
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected
Affected versions
qt-v5.*
qt-v5.0.0-alpha1
v5.*
v5.0.0
v5.0.0-beta1
v5.0.0-beta2
v5.0.0-rc1
v5.0.0-rc2
v5.0.1
v5.0.2
v5.1.0
v5.1.0-alpha1
v5.1.0-beta1
v5.1.0-rc1
v5.1.0-rc2
v5.1.1
v5.10.0
v5.10.0-alpha1
v5.10.0-beta1
v5.10.0-beta2
v5.10.0-beta3
v5.10.0-beta4
v5.10.0-rc1
v5.10.0-rc2
v5.10.0-rc3
v5.10.1
v5.11.0
v5.11.0-alpha1
v5.11.0-beta1
v5.11.0-beta2
v5.11.0-beta3
v5.11.0-beta4
v5.11.0-rc1
v5.11.0-rc2
v5.11.1
v5.11.2
v5.11.3
v5.12.0
v5.12.0-alpha1
v5.12.0-beta1
v5.12.0-beta2
v5.12.0-beta3
v5.12.0-beta4
v5.12.0-rc1
v5.12.0-rc2
v5.12.1
v5.12.2
v5.12.3
v5.12.4
v5.12.5
v5.13.0
v5.13.0-alpha1
v5.13.0-beta1
v5.13.0-beta2
v5.13.0-beta3
v5.13.0-beta4
v5.13.0-rc1
v5.13.0-rc2
v5.13.0-rc3
v5.13.1
v5.13.2
v5.14.0
v5.14.0-alpha1
v5.14.0-beta1
v5.14.0-beta2
v5.14.0-beta3
v5.14.0-rc1
v5.14.0-rc2
v5.14.1
v5.2.0
v5.2.0-alpha1
v5.2.0-beta1
v5.2.0-rc1
v5.2.1
v5.3.0
v5.3.0-alpha1
v5.3.0-beta1
v5.3.0-rc1
v5.3.1
v5.3.2
v5.4.0
v5.4.0-alpha1
v5.4.0-beta1
v5.4.0-rc1
v5.4.1
v5.4.2
v5.5.0
v5.5.0-alpha1
v5.5.0-beta1
v5.5.0-rc1
v5.5.1
v5.6.0
v5.6.0-alpha1
v5.6.0-beta1
v5.6.0-rc1
v5.6.1
v5.6.1-1
v5.6.2
v5.7.0
v5.7.0-alpha1
v5.7.0-beta1
v5.7.0-rc1
v5.7.1
v5.8.0
v5.8.0-alpha1
v5.8.0-beta1
v5.8.0-rc1
v5.9.0
v5.9.0-alpha1
v5.9.0-beta1
v5.9.0-beta2
v5.9.0-beta3
v5.9.0-beta4
v5.9.0-rc1
v5.9.0-rc2
v5.9.1
v5.9.2
v5.9.3
v5.9.4