Detections
Analytics

CVE-2026-100140

medium

Description

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

References

https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-100140:

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-115135

https://codereview.qt-project.org/c/qt/qt5compat/+/768902

https://codereview.qt-project.org/c/qt/qt5compat/+/768901

https://codereview.qt-project.org/c/qt/qt5compat/+/768900

https://codereview.qt-project.org/c/qt/qt5compat/+/764751

Details

Source: Mitre, NVD

Published: 2026-11-02

Updated: 2026-11-02

Risk Information

CVSS v2

Base Score: 7.5

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

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 5.8

Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

Severity: Medium