{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4430", "assignerOrgId": "4fe7d05b-1353-44cc-8b7a-1e416936dff2", "state": "PUBLISHED", "assignerShortName": "Document Fdn.", "dateReserved": "2026-03-19T14:58:41.694Z", "datePublished": "2026-05-07T07:16:18.851Z", "dateUpdated": "2026-05-07T07:16:18.851Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "4fe7d05b-1353-44cc-8b7a-1e416936dff2", "shortName": "Document Fdn.", "dateUpdated": "2026-05-07T07:16:18.851Z"}, "title": "Heap Buffer Overflow in AgileEngine", "datePublic": "2026-05-06T15:42:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds write", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-44", "descriptions": [{"lang": "en", "value": "CAPEC-44 Overflow Binary Resource File"}]}], "affected": [{"vendor": "The Document Foundation", "product": "LibreOffice", "versions": [{"status": "affected", "version": "26.2", "lessThan": "26.2.3", "versionType": "26 series"}, {"status": "affected", "version": "25.8", "lessThan": "25.8.7", "versionType": "25 series"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Out-of-bounds write vulnerability in The Document Foundation LibreOffice via crafted OOXML documents with mismatched encryption salt parameters.\n\nThis issue affects\u00a0LibreOffice: from 26.2 before 26.2.3, from 25.8 before 25.8.7.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div>Out-of-bounds write vulnerability in The Document Foundation LibreOffice via crafted OOXML documents with mismatched encryption salt parameters.</div><div>This issue affects&nbsp;LibreOffice: from 26.2 before 26.2.3, from 25.8 before 25.8.7.</div>"}]}], "references": [{"url": "https://www.libreoffice.org/about-us/security/advisories/cve-2026-4430"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 5.4, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P"}}], "credits": [{"lang": "en", "value": "Duc Anh Nguyen (@Danzation)", "type": "finder"}, {"lang": "en", "value": "Caol\u00e1n McNamara <caolan.mcnamara@collabora.com>", "type": "remediation developer"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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