{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-3512", "assignerOrgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "state": "PUBLISHED", "assignerShortName": "TQtC", "dateReserved": "2025-04-11T07:12:00.964Z", "datePublished": "2025-04-11T07:39:48.298Z", "dateUpdated": "2026-07-29T07:29:54.920Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "shortName": "TQtC", "dateUpdated": "2026-07-29T07:29:54.920Z" }, "title": "Buffer overflow in QTextMarkdownImporter", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-122", "description": "CWE-122 Heap-based Buffer Overflow", "type": "CWE" } ] } ], "impacts": [ { "capecId": "CAPEC-100", "descriptions": [ { "lang": "en", "value": "CAPEC-100 Overflow Buffers" } ] } ], "affected": [ { "vendor": "Qt", "product": "Qt", "versions": [ { "status": "unaffected", "version": "0", "lessThan": "6.6.0", "versionType": "python" }, { "status": "unknown", "version": "6.6.0", "lessThan": "6.8.0", "versionType": "python" }, { "status": "affected", "version": "6.8.0", "lessThan": "6.8.4", "versionType": "python" }, { "status": "unaffected", "version": "6.8.4", "versionType": "python" } ], "defaultStatus": "unaffected" } ], "cpeApplicability": [ { "operator": "OR", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*", "versionStartIncluding": "0", "versionEndExcluding": "6.6.0" }, { "vulnerable": true, "criteria": "cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8.0", "versionEndExcluding": "6.8.4" }, { "vulnerable": false, "criteria": "cpe:2.3:a:qt:qt:6.8.4:*:*:*:*:*:*:*" } ] } ] } ], "descriptions": [ { "lang": "en", "value": "There is a Heap-based Buffer Overflow vulnerability in QTextMarkdownImporter. This requires an incorrectly formatted markdown file to be passed to QTextMarkdownImporter to trigger the overflow.\n\nThis issue affects Qt from 6.8.0 to 6.8.4. Versions up to 6.6.0 are known to be unaffected, and the fix is in 6.8.4 and later.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "There is a Heap-based Buffer Overflow vulnerability in QTextMarkdownImporter. This requires an incorrectly formatted markdown file to be passed to QTextMarkdownImporter to trigger the overflow.
This issue affects Qt from 6.8.0 to 6.8.4. Versions up to 6.6.0 are known to be unaffected, and the fix is in 6.8.4 and later.
" } ] } ], "references": [ { "url": "https://codereview.qt-project.org/c/qt/qtbase/+/635546" } ], "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": "LOW", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "CLEAR", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 4.8, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/U:Clear" } } ], "credits": [ { "lang": "en", "value": "oss-fuzz", "type": "finder" } ], "source": { "discovery": "EXTERNAL" }, "x_generator": { "engine": "Vulnogram 0.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-04-11T13:47:37.199274Z", "id": "CVE-2025-3512", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-11T13:54:46.090Z" } }, { "title": "CVE Program Container", "references": [ { "url": "http://www.openwall.com/lists/oss-security/2025/04/24/4" }, { "url": "http://www.openwall.com/lists/oss-security/2025/04/24/5" }, { "url": "http://www.openwall.com/lists/oss-security/2025/04/24/6" }, { "url": "http://www.openwall.com/lists/oss-security/2025/04/25/1" }, { "url": "http://www.openwall.com/lists/oss-security/2025/04/25/2" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-04-25T18:03:41.850Z" } } ] } }