CVE-2026-107472 - Vulnerability Details - OpenCVE

An out-of-bounds read vulnerability in the QTextCodec TSCII encoding of the Qt 5 Compatibility APIs module (Qt Core in Qt 5 and earlier) impacts Qt. Applications that convert text to the TSCII encoding through QTextCodec may read memory outside the input buffer, which can cause the application to crash or misinterpret the data.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Qt	Qt Qt5compat Qtbase

No data.

No data.

References

Link	Providers
https://codereview.qt-project.org/c/qt/qt5compat/+/762021
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107472:

History

Tue, 27 Oct 2026 08:00:00 +0000

Type	Values Removed	Values Added
Description		An out-of-bounds read vulnerability in the QTextCodec TSCII encoding of the Qt 5 Compatibility APIs module (Qt Core in Qt 5 and earlier) impacts Qt. Applications that convert text to the TSCII encoding through QTextCodec may read memory outside the input buffer, which can cause the application to crash or misinterpret the data.
Title		Out-of-bounds read vulnerability in QTextCodec TSCII encoding impacts Qt
First Time appeared		Qt Qt qt Qt qt5compat Qt qtbase
Weaknesses		CWE-125
CPEs		cpe:2.3:a:qt:qt5compat:::::::: cpe:2.3:a:qt:qt:::::::: cpe:2.3:a:qt:qtbase::::::::
Vendors & Products		Qt Qt qt Qt qt5compat Qt qtbase
References		https://codereview.qt-project.org/c/qt/qt5compat/+/762021 https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107472:
Metrics		cvssV4_0 `{'score': 4.3, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/RE:L/U:Green'}`

MITRE

Status: PUBLISHED

Assigner: Qt

Published: 2026-10-27T07:32:31.991Z

Updated: 2026-10-27T07:32:31.991Z

Reserved: 2026-10-08T07:42:12.931Z

Link: CVE-2026-107472

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2026-10-27T08:16:52.660

Modified: 2026-10-27T15:03:41.023

Link: CVE-2026-107472

Redhat

No data.

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