CVE-2021-21958 A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020…

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.

Affected products and versions