{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97845","assignerOrgId":"a59d8014-47c4-4630-ab43-e1b13cbe58e3","state":"PUBLISHED","assignerShortName":"Qt","dateReserved":"2026-09-25T05:24:04.653Z","datePublished":"2026-11-12T13:08:43.473Z","dateUpdated":"2026-11-12T13:08:43.473Z"},"containers":{"cna":{"providerMetadata":{"orgId":"a59d8014-47c4-4630-ab43-e1b13cbe58e3","shortName":"Qt","dateUpdated":"2026-11-12T13:08:43.473Z"},"title":"Uncontrolled recursion vulnerability in QXmlSimpleReader XML parsing impacts Qt","datePublic":"2026-11-12T13:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-674","description":"CWE-674 Uncontrolled Recursion","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-230","descriptions":[{"lang":"en","value":"CAPEC-230 Serialized Data with Nested Payloads"}]}],"affected":[{"vendor":"qt","product":"qt","modules":["qtbase","qt5compat"],"versions":[{"status":"unknown","version":"0","lessThan":"5.0.0","versionType":"python"},{"status":"affected","version":"5.0.0","lessThan":"6.8.10","versionType":"python"},{"status":"affected","version":"6.9.0","lessThan":"6.11.3","versionType":"python"}],"defaultStatus":"unaffected","cpes":["cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*","cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*","cpe:2.3:a:qt:qt5compat:*:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"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).","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>An uncontrolled recursion vulnerability has been discovered in the Qt <code>QXmlSimpleReader</code> XML parsing functionality of the Qt 5 Core Compatibility APIs module (Qt 6) and the Qt XML module (Qt 5).</p>"}]}],"references":[{"url":"https://www.qt.io/security-advisories?search=CVE-2026-97845","tags":["vendor-advisory"]},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/771290","tags":["patch"]},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/774512","tags":["patch"]},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/774513","tags":["patch"]},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/774632","tags":["patch"]},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/760219","tags":["patch"]},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/760220","tags":["patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"UNREPORTED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"USER","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"GREEN","version":"4.0","baseSeverity":"MEDIUM","baseScore":4.3,"vectorString":"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/R:U/U:Green"}}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}}}}