Detections
Analytics

CVE-2018-21035

high

Description

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

https://codereview.qt-project.org/c/qt/qtwebsockets/+/284735

https://bugreports.qt.io/browse/QTBUG-70693

Details

Source: Mitre, NVD

Published: 2020-02-28

Updated: 2020-08-24

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High