CVE-2022-33896 - CVE House
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Status published High CVE-2022-33896

A buffer underflow vulnerability exists in the way Hword of...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Hancom Office 2020
Vulnerable Versions:
Hancom Office 2020 11.0.0.5357

Timeline

Official Publish: October 7th, 2022
Last Modified: April 15th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-124

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.