Apache OpenOffice: Schwachstelle ermöglicht Codeausführung
WID-SEC-2026-3725 · first 05.10.2026 · updated 05.10.2026 · CVSS 8,8
What it is about
OpenOffice ist ein OpenSource Programmpaket von Apache mit zahlreichen Office-Anwendugen. Es enthält Programme zur Textverarbeitung, Tabellenkalkulation, Präsentation, Zeichnungen sowie eine Datenbank. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Apache OpenOffice ausnutzen, um beliebigen Programmcode auszuführen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- beliebigen Programmcode auszuführen
Am I affected?
Affected according to the BSI:
- Apache OpenOffice <4.1.16
- Apache OpenOffice <4.1.17
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Apache OpenOffice 4.1.16
- Apache OpenOffice 4.1.17
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- OpenOffice Advisory vom 2026-10-04 www.openoffice.org
- OSS Security Mailing List vom 2026-10-04 seclists.org
- GitHub Security Advisory GHSA-55r6-rg38-gm55 vom 2026-10-04 github.com
CVE: CVE-2026-59265
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.