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.

Project Subscriptions

Vendors Products
Libreoffice Subscribe
Libreoffice Subscribe
The Document Foundation Subscribe
Libreoffice Subscribe
Advisories
Source ID Title
Debian DSA Debian DSA DSA-6251-1 libreoffice security update
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 08 May 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Libreoffice
Libreoffice libreoffice
CPEs cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*
Vendors & Products Libreoffice
Libreoffice libreoffice
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Thu, 07 May 2026 18:15:00 +0000

Type Values Removed Values Added
First Time appeared The Document Foundation
The Document Foundation libreoffice
Vendors & Products The Document Foundation
The Document Foundation libreoffice

Thu, 07 May 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 07 May 2026 07:30:00 +0000

Type Values Removed Values Added
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.
Title Heap Buffer Overflow in AgileEngine
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 5.4, 'vector': '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'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: Document Fdn.

Published:

Updated: 2026-05-07T13:03:05.876Z

Reserved: 2026-03-19T14:58:41.694Z

Link: CVE-2026-4430

cve-icon Vulnrichment

Updated: 2026-05-07T13:03:01.777Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-07T08:16:00.967

Modified: 2026-05-08T16:48:01.610

Link: CVE-2026-4430

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-07T18:00:11Z

Weaknesses