CVE-2021-41831: Apache Openoffice

Medium severity, CVSS 5.3. EPSS: 1.5% chance of exploitation in the next 30 days.

It is possible for an attacker to manipulate the timestamp of signed documents. All versions of Apache OpenOffice up to 4.1.10 are affected. Users are advised to update to version 4.1.11. See CVE-2021-25634 for the LibreOffice advisory.

Affected products

• Apache Openoffice: before 4.1.11 (fixed in 4.1.11)

Published 2021-10-11. Last modified 2026-06-17.