Security: Update regarding CVE-2023-43114

A recently reported issue on Windows with the GDI font engine which had been assigned the CVE id CVE-2023-43114 was reported as having been fixed in Qt 6.5.3. Unfortunately, this was incorrect as the patch did not end up in Qt 6.5.3. The patch available at can be used on top of Qt 6.5.3. It has been integrated into the Qt 6.5.4 version already so this release will include the patch.

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