CVE-2026-11573 Uncontrolled recursion in QDomDocument/QDomNode serialization causes stack exhaustion (QtXml)

Uncontrolled recursion CWE-674 in the QDomDocument/QDomNode serialization path of the Qt XML module QtXml, qtbase. QDomElementPrivate::save and QDomNodePrivate::save recurse mutually, consuming one stack frame per level of element nesting with no depth limit, no configurable bound and no error...