CVE-2026-97845 · Package
NO FIX YET
Qt's QXmlSimpleReader, the XML parsing code in the Qt 5 Core Compatibility APIs and the Qt XML module, can recurse without limit on crafted input. An attacker who can feed the application an XML document can likely exhaust the stack and crash the process.
first public Nov 12, 2026 · 1 source
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Applications built on Qt that parse XML from untrusted sources with QXmlSimpleReader. The sources do not give affected version ranges or a fixed version, and do not say whether the impact goes beyond a crash.
Not affected if no-untrusted-xml
Who cares c++, qt
qmake --version or the version your build pins; the sources do not list affected versions.No fix yet, per the sources.
An uncontrolled recursion vulnerability has been discovered in the Qt QXmlSimpleReader XML parsing functionality of the Qt 5 Core Compatibility APIs module (Qt 6) and the Qt XML module (Qt 5).
This page as .md · .json · CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:U/V:X/RE:X/U:Green
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