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VULNERABILITIES

CVE-2026-103653 Details

Description

An out-of-bounds read vulnerability in the Qt CoAP message parsing (QCoapInternalReply::createFromFrame()) of the Qt CoAP module. Processing a malformed CoAP message can cause an application using Qt CoAP to crash (loss of availability) or to continue operating on incorrect data (potential loss of 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/qtcoap/+/760652 TQtC
https://codereview.qt-project.org/c/qt/qtcoap/+/761120 TQtC
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-103653: TQtC

Weakness Enumeration

CWE-IDCWE NameSource
CWE-125Out-of-bounds ReadTQtC

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-2026-103653
NVD Published Date:
Nov 3, 2026
NVD Last Modified:
Nov 3, 2026
Source:
TQtC