CVE-2026-78253

The vulnerability in QXmlStreamReader::readElementText() allows attackers to exploit uncontrolled recursion when processing specially crafted XML documents, leading to application crashes due to stack exhaustion. While the severity is rated low, organizations using affected versions of Qt should prioritize this issue to prevent potential denial-of-service attacks that could disrupt application availability. Developers and system administrators working with Qt libraries should assess their implementations for exposure to this vulnerability.