CVE-2021-21958
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
ProductHancom Office
PublishedFeb 16, 2022
First seenFeb 16, 2022
Weakness typeCWE-122CWE-122
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| hancom hancom_office_2020 | 11.0.0.2353 | — |
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