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vuln-nvd/data/2026/CVE-2026-4430.json
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{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"LibreOffice","vendor":"The Document Foundation","versions":[{"lessThan":"26.2.3","status":"affected","version":"26.2","versionType":"26 series"},{"lessThan":"25.8.7","status":"affected","version":"25.8","versionType":"25 series"}]}],"source":"security@documentfoundation.org"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*","matchCriteriaId":"CE758232-7A3D-4F2C-AA8B-59BA260F8A0A","versionEndExcluding":"25.8.7.0","versionStartIncluding":"25.8.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*","matchCriteriaId":"8828A33E-E5F2-4841-AEE7-555E52053313","versionEndExcluding":"26.2.3.0","versionStartIncluding":"26.2.0.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"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."},{"lang":"es","value":"Vulnerabilidad de escritura fuera de límites en The Document Foundation LibreOffice a través de documentos OOXML manipulados con parámetros de sal de cifrado desajustados.\n\nEste problema afecta a LibreOffice: desde 26.2 antes de 26.2.3, desde 25.8 antes de 25.8.7."}],"id":"CVE-2026-4430","lastModified":"2026-11-11T23:10:00.263","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}],"cvssMetricV40":[{"cvssData":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","availabilityRequirement":"NOT_DEFINED","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityRequirement":"NOT_DEFINED","exploitMaturity":"PROOF_OF_CONCEPT","integrityRequirement":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"source":"security@documentfoundation.org","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-4430","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-05-07T13:02:56.156578Z","version":"2.0.3"}}]},"published":"2026-05-07T08:16:00.967","references":[{"source":"security@documentfoundation.org","tags":["Vendor Advisory"],"url":"https://www.libreoffice.org/about-us/security/advisories/cve-2026-4430"}],"sourceIdentifier":"security@documentfoundation.org","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-787"}],"source":"security@documentfoundation.org","type":"Secondary"}]}