CVE-2026-101201

Description

A malformed header in the binary file fed to QBinaryJson::fromBinaryData() can cause undefined behaviour because of out-of-bounds read.

References

• https://codereview.qt-project.org/c/qt/qt5compat/+/758925
• https://codereview.qt-project.org/c/qt/qt5compat/+/759230
• https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-101201