CVE-2022-40983

Name	CVE-2022-40983
Description	An integer overflow vulnerability exists in the QML QtScript Reflect API of Qt Project Qt 6.3.2. A specially-crafted javascript code can trigger an integer overflow during memory allocation, which can lead to arbitrary code execution. Target application would need to access a malicious web page to trigger this vulnerability.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
qt6-declarative (PTS)	bookworm	6.4.2+dfsg-1	fixed
	trixie, sid	6.8.2+dfsg-7	fixed
qtdeclarative-opensource-src (PTS)	bullseye	5.15.2+dfsg-6	vulnerable
	bookworm	5.15.8+dfsg-3	vulnerable
	trixie, sid	5.15.15+dfsg-3	vulnerable
qtdeclarative-opensource-src-gles (PTS)	bullseye	5.15.2+dfsg-2	vulnerable
	bookworm	5.15.8+dfsg-1	vulnerable
	trixie, sid	5.15.15+dfsg-2	vulnerable

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

Package	Type	Release	Fixed Version	Urgency
qt6-declarative	source	(unstable)	6.4.2+dfsg~rc1-2	unimportant
qtdeclarative-opensource-src	source	(unstable)	(unfixed)	unimportant
qtdeclarative-opensource-src-gles	source	(unstable)	(unfixed)	unimportant

Notes

Not considered a security issue, QML only supported from a trusted source
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1650
https://www.qt.io/blog/regarding-recent-reported-security-vulnerabilities-from-cisco-talos
https://bugreports.qt.io/browse/QTBUG-107619
https://codereview.qt-project.org/c/qt/qtdeclarative/+/437921