{"affected":[{"affectedData":[{"defaultStatus":"unaffected","modules":["qtbase"],"product":"qt","vendor":"qt","versions":[{"lessThanOrEqual":"6.8.8","status":"affected","version":"5.0.0","versionType":"python"},{"lessThanOrEqual":"6.11.1","status":"affected","version":"6.9.0","versionType":"python"}]}],"source":"a59d8014-47c4-4630-ab43-e1b13cbe58e3"}],"cveTags":[],"descriptions":[{"lang":"en","value":"Uncontrolled recursion in QXmlStreamReader::readElementText() in Qt Group Qt allows attackers to cause a denial of service (application crash via stack exhaustion) via a crafted XML document."}],"id":"CVE-2026-78253","lastModified":"2026-09-23T15:17:20.903","metrics":{"cvssMetricV40":[{"cvssData":{"Automatable":"NO","Recovery":"USER","Safety":"NEGLIGIBLE","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","availabilityRequirement":"NOT_DEFINED","baseScore":2.3,"baseSeverity":"LOW","confidentialityRequirement":"NOT_DEFINED","exploitMaturity":"UNREPORTED","integrityRequirement":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"GREEN","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/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:N/AU:N/R:U/V:X/RE:L/U:Green","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"LOW"},"source":"a59d8014-47c4-4630-ab43-e1b13cbe58e3","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-78253","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-09-23T14:35:55.687793Z","version":"2.0.3"}}]},"published":"2026-09-23T12:17:07.063","references":[{"source":"a59d8014-47c4-4630-ab43-e1b13cbe58e3","url":"https://codereview.qt-project.org/c/qt/qtbase/+/754345"}],"sourceIdentifier":"a59d8014-47c4-4630-ab43-e1b13cbe58e3","vulnStatus":"Received","weaknesses":[{"description":[{"lang":"en","value":"CWE-674"}],"source":"a59d8014-47c4-4630-ab43-e1b13cbe58e3","type":"Secondary"}]}