{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6210", "assignerOrgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "state": "PUBLISHED", "assignerShortName": "TQtC", "dateReserved": "2026-04-13T12:16:27.416Z", "datePublished": "2026-05-06T11:59:01.727Z", "dateUpdated": "2026-05-06T13:11:44.674Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "shortName": "TQtC", "dateUpdated": "2026-05-06T11:59:01.727Z"}, "title": "Type confusion and heap-buffer-overflow in Qt SVG marker handling causing application crash", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-843", "description": "CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-122", "description": "CWE-122 Heap-based Buffer Overflow", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Application crash (denial of service)"}]}, {"descriptions": [{"lang": "en", "value": "Heap-based buffer overflow via out-of-bounds field access on miscast pointer"}]}, {"descriptions": [{"lang": "en", "value": "Endless recursion due to recursion guard bypass on miscast vtable dispatch"}]}], "affected": [{"vendor": "The Qt Company", "product": "Qt", "repo": "git://code.qt.io/qt/qtsvg.git", "modules": ["Qt SVG"], "programFiles": ["src/svg/qsvgstructure.cpp"], "versions": [{"status": "affected", "version": "6.7.0", "lessThan": "6.8.8", "versionType": "python"}, {"status": "affected", "version": "6.9.0", "lessThan": "6.11.1", "versionType": "python"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A type confusion vulnerability in Qt SVG allows an attacker to cause an application crash via a crafted SVG image.\n\n\n\nWhen processing SVG marker references, the renderer retrieves a node by its id attribute and casts it to QSvgMarker* without verifying the node type. 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