CVE-2026-4430

Heap Buffer Overflow in AgileEngine

State: Published
Severity: 5.4 Medium
Published: May 7, 2026
Updated: May 7, 2026
Reserved: Mar 19, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.4 Medium	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	Document Fdn.

Weaknesses

CWE-787 Out-of-bounds write

Affected Products

Product	Versions
LibreOfficeThe Document Foundation	26.2 to before 26.2.3Affected 25.8 to before 25.8.7Affected

References

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

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