| Package | Affected versions | Patched versions |
|---|---|---|
| hancom office 2020 | = 11.0.0.5357 |
A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.
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