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Security advisory: CVE-2026-16762 Denial-of-service vulnerability in the Qt Core QXmlStream parser (QXmlStreamReader) impacts Qt

calendar_today October 23, 2026 person Tero Pelkonen domain qt

A denial-of-service vulnerability in the Qt Core QXmlStream parser (QXmlStreamReader) of the qtbase component has been discovered and has been assigned the CVE id CVE-2026-16762.

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