vulnerability
Red Hat: CVE-2018-21035: CVE-2018-21035 qt5-qtwebsockets: websocket implementation allows only limited size for frames and messages therefore attacker can cause DOS (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Feb 28, 2020 | Nov 5, 2020 | Jul 9, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Feb 28, 2020
Added
Nov 5, 2020
Modified
Jul 9, 2025
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).
Solution(s)
no-fix-redhat-rpm-packageredhat-upgrade-qt5-assistantredhat-upgrade-qt5-assistant-debuginforedhat-upgrade-qt5-designerredhat-upgrade-qt5-designer-debuginforedhat-upgrade-qt5-doctoolsredhat-upgrade-qt5-doctools-debuginforedhat-upgrade-qt5-linguistredhat-upgrade-qt5-linguist-debuginforedhat-upgrade-qt5-qdbusviewerredhat-upgrade-qt5-qdbusviewer-debuginforedhat-upgrade-qt5-qtbaseredhat-upgrade-qt5-qtbase-commonredhat-upgrade-qt5-qtbase-debuginforedhat-upgrade-qt5-qtbase-debugsourceredhat-upgrade-qt5-qtbase-develredhat-upgrade-qt5-qtbase-devel-debuginforedhat-upgrade-qt5-qtbase-examplesredhat-upgrade-qt5-qtbase-examples-debuginforedhat-upgrade-qt5-qtbase-guiredhat-upgrade-qt5-qtbase-gui-debuginforedhat-upgrade-qt5-qtbase-mysqlredhat-upgrade-qt5-qtbase-mysql-debuginforedhat-upgrade-qt5-qtbase-odbcredhat-upgrade-qt5-qtbase-odbc-debuginforedhat-upgrade-qt5-qtbase-postgresqlredhat-upgrade-qt5-qtbase-postgresql-debuginforedhat-upgrade-qt5-qtbase-private-develredhat-upgrade-qt5-qtbase-staticredhat-upgrade-qt5-qtbase-tests-debuginforedhat-upgrade-qt5-qttoolsredhat-upgrade-qt5-qttools-commonredhat-upgrade-qt5-qttools-debuginforedhat-upgrade-qt5-qttools-debugsourceredhat-upgrade-qt5-qttools-develredhat-upgrade-qt5-qttools-devel-debuginforedhat-upgrade-qt5-qttools-examplesredhat-upgrade-qt5-qttools-examples-debuginforedhat-upgrade-qt5-qttools-libs-designerredhat-upgrade-qt5-qttools-libs-designer-debuginforedhat-upgrade-qt5-qttools-libs-designercomponentsredhat-upgrade-qt5-qttools-libs-designercomponents-debuginforedhat-upgrade-qt5-qttools-libs-helpredhat-upgrade-qt5-qttools-libs-help-debuginforedhat-upgrade-qt5-qttools-staticredhat-upgrade-qt5-qttools-tests-debuginforedhat-upgrade-qt5-qtwebsocketsredhat-upgrade-qt5-qtwebsockets-debuginforedhat-upgrade-qt5-qtwebsockets-debugsourceredhat-upgrade-qt5-qtwebsockets-develredhat-upgrade-qt5-qtwebsockets-devel-debuginforedhat-upgrade-qt5-qtwebsockets-examplesredhat-upgrade-qt5-qtwebsockets-examples-debuginforedhat-upgrade-qt5-qtwebsockets-tests-debuginfo
References
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