CVE-2026-103653Out-of-bounds read vulnerability in CoAP message parsing impacts Qt CoAP

Descripción

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).

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-103653: vendor-advisory
• https://codereview.qt-project.org/c/qt/qtcoap/+/760652 patch
• https://codereview.qt-project.org/c/qt/qtcoap/+/761120 patch