🛡️ CVE-2026-4430
🟠 CVSS 7.8 — High ✅ No Known Exploit CWE-787 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-787
Public Exploit âś… No
Source NVD
Published 2026-05-07
Updated 2026-06-02
Modified 2026-05-08
Fix URL N/A

Affected Packages

Software From version Fixed in
libreoffice 26.2.0.0 26.2.3.0
unknown — —

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