{"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":"2026-05-07T13:03:05.876Z"},"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 LibreOffice: 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":"Caolán McNamara <caolan.mcnamara@collabora.com>","type":"remediation developer"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-07T13:02:56.156578Z","id":"CVE-2026-4430","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":"2026-05-07T13:03:05.876Z"}}]}}