{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-78253", "assignerOrgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "state": "PUBLISHED", "assignerShortName": "Qt", "dateReserved": "2026-08-24T07:14:59.859Z", "datePublished": "2026-09-23T11:39:03.788Z", "dateUpdated": "2026-09-23T14:36:41.208Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "shortName": "Qt", "dateUpdated": "2026-09-23T11:39:03.788Z" }, "title": "Denial-of-service (stack-exhaustion) vulnerability in QXmlStreamReader::readElementText() impacts Qt", "datePublic": "2026-09-23T00:00:00.000Z", "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" ], "versions": [ { "status": "affected", "version": "5.0.0", "lessThanOrEqual": "6.8.8", "versionType": "python" }, { "status": "affected", "version": "6.9.0", "lessThanOrEqual": "6.11.1", "versionType": "python" } ], "defaultStatus": "unaffected" } ], "cpeApplicability": [ { "operator": "OR", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0.0", "versionEndIncluding": "6.8.8" }, { "vulnerable": true, "criteria": "cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9.0", "versionEndIncluding": "6.11.1" } ] } ] } ], "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.", "supportingMedia": [ { "type": "text/html", "base64": false, "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.