CVE-2026-100140

Low

Description

An integer overflow vulnerability in the Qt XML parsing (Qt5Compat / QXmlSimpleReader) functionality of Qt.

SeverityLow
CVSS1.9
Exploit probability—
ProductQt
PublishedNov 2, 2026
First seenNov 4, 2026

How to fix

Affected products

ProductAffected versionsFixed in
qt qt6.0.0 ≤ v ≤ 6.8.9, 6.9.0 ≤ v ≤ 6.11.2, 6.12.0—

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CVE-2026-100140 · Qt · Dark Radar