CVE-2018-21035

Name	CVE-2018-21035
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).
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	953049

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
qtwebsockets-opensource-src (PTS)	bullseye	5.15.2-2	fixed
	bookworm	5.15.8-2	fixed
	sid, trixie	5.15.15-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
qtwebsockets-opensource-src	source	(unstable)	5.15.1-2	low		953049

Notes

[buster] - qtwebsockets-opensource-src <ignored> (Minor issue, fix adds new API only)
[stretch] - qtwebsockets-opensource-src <ignored> (Minor issue)
[jessie] - qtwebsockets-opensource-src <no-dsa> (Minor issue)
https://bugreports.qt.io/browse/QTBUG-70693
https://codereview.qt-project.org/c/qt/qtwebsockets/+/284735
https://github.com/qt/qtwebsockets/commit/ed93680f34e92ad0383aa4e610bb65689118ca93