high7.8
CVE-2021-21958
A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Hancom | Hancom Office 2020 | Version 11.0.0.2353 |