CVE-2026-105924
Received Received - Intake

NULL Pointer Dereference in Qt Core Module

Publication date: 2026-10-30

Last updated on: 2026-10-30

Assigner: TQtC

Description
A NULL pointer dereference vulnerability in the Qt QCborValue to JSON conversion of the Qt Core module.

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Meta Information

Published
2026-10-30
Last Modified
2026-10-30
Generated
2026-10-30
AI Q&A
2026-10-30
EPSS Evaluated
N/A
NVD
CVE-2026-105924
EUVD
EUVD-2026-113895

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
qt Qt 5.12.0
qt Qt 6.9.0
qt Qt 6.12.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.

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Executive Summary

This is a NULL pointer dereference vulnerability in the Qt QCborValue to JSON conversion feature of the Qt Core module. A NULL pointer dereference occurs when a program attempts to access memory at a NULL address, which can lead to crashes or undefined behavior in the application.

Impact Analysis

This vulnerability could cause applications using the Qt Core module to crash when processing certain CBOR data. It may lead to denial of service conditions or unexpected application termination, potentially disrupting services that rely on Qt-based applications.

Mitigation Strategies

Update Qt Core module to the latest patched version to address the NULL pointer dereference in QCborValue to JSON conversion. Monitor Qt's official security advisories for patches and apply them promptly.

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