CVE-2018-21035

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Source
https://cve.org/CVERecord?id=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
2026-03-12T22:52:30.945009Z
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/qtbase

Affected ranges

Type
GIT
Repo
https://github.com/qt/qtbase
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
0ab53fbdda2fd7f24f45dcd52fbd195e282554da
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "5.14.1"
        }
    ]
}

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

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-21035.json"