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VULNERABILITIES

CVE-2026-107590 Details

Description

An out-of-bounds write vulnerability in the Qt QTextCodec iconv-based encoding of the Qt 5 Compatibility APIs module (Qt Core in Qt 5 and earlier) impacts Qt. Under certain conditions, encoding text with QTextCodec may write outside an internal buffer. This can cause the application to crash and may affect data integrity.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://codereview.qt-project.org/c/qt/qt5compat/+/762752 TQtC
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107590: TQtC

Weakness Enumeration

CWE-IDCWE NameSource
CWE-131Incorrect Calculation of Buffer SizeTQtC
CWE-787Out-of-bounds WriteTQtC

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-107590
NVD Published Date:
Oct 27, 2026
NVD Last Modified:
Nov 4, 2026
Source:
TQtC
CVE-2026-107590 Details - Not Deferred