Security Advisory

CVE-2021-21958

7.8
HIGH

Vulnerability Description

A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Published Date February 16, 2022
Official Source NIST NVD Advisory