CVEDB API

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Vulnerable Software

Vulnerability Details CVE-2026-4430

Out-of-bounds write vulnerability in The Document Foundation LibreOffice via crafted OOXML documents with mismatched encryption salt parameters. This issue affects LibreOffice: from 26.2 before 26.2.3, from 25.8 before 25.8.7.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 4.1%

CVSS Severity

CVSS v3 Score 7.8

References

https://www.libreoffice.org/about-us/security/advisories/cve-2026-4430

Products affected by CVE-2026-4430

Libreoffice » Libreoffice » Version: Any

cpe:2.3:a:libreoffice:libreoffice:*
Libreoffice » Libreoffice » Version: 25.8.0.0

cpe:2.3:a:libreoffice:libreoffice:25.8.0.0
Libreoffice » Libreoffice » Version: 25.8.0.1

cpe:2.3:a:libreoffice:libreoffice:25.8.0.1
Libreoffice » Libreoffice » Version: 25.8.0.2

cpe:2.3:a:libreoffice:libreoffice:25.8.0.2
Libreoffice » Libreoffice » Version: 25.8.0.3

cpe:2.3:a:libreoffice:libreoffice:25.8.0.3
Libreoffice » Libreoffice » Version: 25.8.0.4

cpe:2.3:a:libreoffice:libreoffice:25.8.0.4

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-4430

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