CVE-2020-13546: Softmaker Office Textmaker 2021

High severity, CVSS 7.8. EPSS: 1.4% chance of exploitation in the next 30 days.

In SoftMaker Software GmbH SoftMaker Office TextMaker 2021 (revision 1014), a specially crafted document can cause the document parser to miscalculate a length used to allocate a buffer, later upon usage of this buffer the application will write outside its bounds resulting in a heap-based buffer overflow. An attacker can entice the victim to open a document to trigger this vulnerability.

Affected products

• Softmaker Office Textmaker 2021: version 1014 only

Published 2021-02-10. Last modified 2026-06-17.