Moole Vulnerability Database

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High

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.

VectorLOCAL

PublishedMay 07, 2026, 08:16

Published Bysecurity@documentfoundation.org

Base Score

Score7.8

Affected Versions

No affected versions found.

References

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

Weakness Type

CWE-787

CVSS Metrics

Base Score

5.4

Vector String

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

Base SeverityMedium

Version

4.0

Attack Vector (AV)

LOCAL