CVE-2026-78253

{"id": "CVE-2026-78253", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-78253", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-23T14:35:55.687793Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "cvssData": {"Safety": "NEGLIGIBLE", "version": "4.0", "Recovery": "USER", "baseScore": 2.3, "Automatable": "NO", "attackVector": "NETWORK", "baseSeverity": "LOW", "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", "exploitMaturity": "UNREPORTED", "providerUrgency": "GREEN", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "LOW", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "affectedData": [{"vendor": "qt", "modules": ["qtbase"], "product": "qt", "versions": [{"status": "affected", "version": "5.0.0", "versionType": "python", "lessThanOrEqual": "6.8.8"}, {"status": "affected", "version": "6.9.0", "versionType": "python", "lessThanOrEqual": "6.11.1"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-23T12:17:07.063", "references": [{"url": "https://codereview.qt-project.org/c/qt/qtbase/+/754345", "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "description": [{"lang": "en", "value": "CWE-674"}]}], "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."}], "lastModified": "2026-09-24T21:08:22.573", "sourceIdentifier": "a59d8014-47c4-4630-ab43-e1b13cbe58e3"}