CVE-2020-13545: Softmaker Office

High severity, CVSS 7.8. EPSS: 1.6% chance of exploitation in the next 30 days.

An exploitable signed conversion vulnerability exists in the TextMaker document parsing functionality of SoftMaker Office 2021’s TextMaker application. 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 memory corruption. An attacker can entice the victim to open a document to trigger this vulnerability.

Affected products

• Softmaker Softmaker Office: version 2021 only

Published 2021-01-06. Last modified 2026-06-17.