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.
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'}


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.